ICD-10-CM Alphabetic Index · FY 2026 1,171 Entries
Infection in the ICD-10-CM Index ICD-10-CM
The main term Infection, infected, infective (opportunistic) carries 1,171 index entries pointing to 485 ICD-10-CM codes. The default entry is B99.9, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
1,171
Index Entries
485
Codes Referenced
B99.9
Default Code
I
Letter
1,171 of 1,171 shown
ICD-10-CM
Index Entries Under Infection 1,171 entries · 485 codes
Infection, infected, infective (opportunistic) B99.9
with
drug resistant organism see also specific organism Resistance (to), drug
lymphangitis see Lymphangitis
organ dysfunction (acute) R65.20
with septic shock R65.21
abscess (skin) - code by site under Abscess
Absidia see Mucormycosis
Acanthamoeba see Acanthamebiasis
Acanthocheilonema (perstans) (streptocerca) B74.4
accessory sinus (chronic) see Sinusitis
achorion see Dermatophytosis
Acinetobacter baumannii, as cause of disease classified elsewhere B96.83
Acremonium falciforme B47.0
acromioclavicular M00.9
Actinobacillus (actinomycetem-comitans) A28.8
mallei A24.0
muris A25.1
Actinomadura B47.1
Actinomyces (israelii) A42.9 see also Actinomycosis
Actinomycetales see Actinomycosis
actinomycotic NOS see Actinomycosis
adenoid (and tonsil) J03.90
chronic J35.02
adenovirus NEC
as cause of disease classified elsewhere B97.0
unspecified nature or site B34.0
aerogenes capsulatus A48.0
aertrycke see Infection, salmonella
alimentary canal NOS see Enteritis, infectious
Allescheria boydii B48.2
Alternaria B48.8
alveolus, alveolar (process) K04.7
Ameba, amebic (histolytica) see Amebiasis
amniotic fluid, sac or cavity O41.10 Non-billable
chorioamnionitis O41.12 Non-billable
placentitis O41.14 Non-billable
amputation stump (surgical) see Complication, amputation stump, infection
Ancylostoma (duodenalis) B76.0
Anisakiasis, Anisakis larvae B81.0
anthrax see Anthrax
antrum (chronic) see Sinusitis, maxillary
anus, anal (papillae) (sphincter) K62.89
arbovirus (arbor virus) A94
specified type NEC A93.8
artificial insemination N98.0
Ascaris lumbricoides see Ascariasis
Ascomycetes B47.0
Aspergillus (flavus) (fumigatus) (terreus) see Aspergillosis
atypical
acid-fast (bacilli) see Mycobacterium, atypical
mycobacteria see Mycobacterium, atypical
virus A81.9
specified type NEC A81.89
auditory meatus (external) see Otitis, externa, infective
auricle (ear) see Otitis, externa, infective
axillary gland (lymph) L04.2
Bacillus A49.9
abortus A23.1
anthracis see Anthrax
ducreyi (any location) A57
Flexner's A03.1
Friedländer's NEC A49.8
gas (gangrene) A48.0
mallei A24.0
melitensis A23.0
paratyphoid, paratyphosus A01.4
A A01.1
B A01.2
C A01.3
Shiga (-Kruse) A03.0
suipestifer see Infection, salmonella
swimming pool A31.1
typhosa A01.00
welchii see Gangrene, gas
bacterial NOS A49.9
as cause of disease classified elsewhere B96.89
Acinetobacter baumannii B96.83
Bacteroides fragilis [B. fragilis] B96.6
Clostridium perfringens [C. perfringens] B96.7
Cronobacter (sakazakii) A49.8
Enterobacter sakazakii B96.89
Enterococcus B95.2
Escherichia coli [E. coli] B96.20 see also Escherichia coli
Helicobacter pylori [H.pylori] B96.81
Hemophilus influenzae [H. influenzae] B96.3
Klebsiella pneumoniae [K. pneumoniae] B96.1
Mycoplasma pneumoniae [M. pneumoniae] B96.0
Proteus (mirabilis) (morganii) B96.4
Pseudomonas (aeruginosa) (mallei) (pseudomallei) B96.5
Staphylococcus B95.8
aureus (methicillin susceptible) (MSSA) B95.61
methicillin resistant (MRSA) B95.62
specified NEC B95.7
Streptococcus B95.5
group A B95.0
group B B95.1
pneumoniae B95.3
specified NEC B95.4
Vibrio vulnificus B96.82
specified NEC A48.8
Bacterium
paratyphosum A01.4
A A01.1
B A01.2
C A01.3
typhosum A01.00
Bacteroides NEC A49.8
fragilis, as cause of disease classified elsewhere B96.6
Balantidium coli A07.0
Bartholin's gland N75.8
Basidiobolus B46.8
bile duct (common) (hepatic) see Cholangitis
bladder see Cystitis
Blastomyces, blastomycotic see also Blastomycosis
brasiliensis see Paracoccidioidomycosis
dermatitidis see Blastomycosis
European see Cryptococcosis
Loboi B48.0
North American B40.9
South American see Paracoccidioidomycosis
bleb, postprocedure see Blebitis
bone see Osteomyelitis
Bordetella see Whooping cough
Borrelia bergdorfi A69.20
brain G04.90 see also Encephalitis
membranes see Meningitis
septic G06.0
meninges see Meningitis, bacterial
branchial cyst Q18.0
breast see Mastitis
bronchus see Bronchitis
Brucella A23.9
abortus A23.1
canis A23.3
melitensis A23.0
mixed A23.8
specified NEC A23.8
suis A23.2
Brugia (malayi) B74.1
timori B74.2
bursa see Bursitis, infective
buttocks (skin) L08.9
Campylobacter, intestinal A04.5
as cause of disease classified elsewhere B96.81
Candida (albicans) (tropicalis) see Candidiasis
candiru B88.8
Capillaria (intestinal) B81.1
hepatica B83.8
philippinensis B81.1
cartilage see Disorder, cartilage, specified type NEC
cat liver fluke B66.0
cellulitis - code by site under Cellulitis
central line-associated T80.219 Non-billable
bloodstream (CLABSI) T80.211 Non-billable
specified NEC T80.218 Non-billable
Cephalosporium falciforme B47.0
cerebrospinal see Meningitis
cervical gland (lymph) L04.0
cervix see Cervicitis
cesarean delivery wound (puerperal) O86.00
cestodes see Infestation, cestodes
chest J22
Chilomastix (intestinal) A07.8
Chlamydia, chlamydial A74.9
anus A56.3
genitourinary tract A56.2
lower A56.00
specified NEC A56.19
lymphogranuloma A55
pharynx A56.4
psittaci A70
rectum A56.3
sexually transmitted NEC A56.8
cholera see Cholera
Cladosporium
bantianum (brain abscess) B43.1
carrionii B43.0
castellanii B36.1
trichoides (brain abscess) B43.1
werneckii B36.1
Clonorchis (sinensis) (liver) B66.1
Clostridioides
difficile
as cause of disease classified elsewhere B96.89
foodborne (disease)
not specified as recurrent A04.72
recurrent A04.71
gas gangrene A48.0
necrotizing enterocolitis
not specified as recurrent A04.72
recurrent A04.71
sepsis A41.4
Clostridium NEC
bifermentans A48.0
botulinum (food poisoning) A05.1
infant A48.51
wound A48.52
difficile
as cause of disease classified elsewhere B96.89
foodborne (disease)
not specified as recurrent A04.72
recurrent A04.71
gas gangrene A48.0
necrotizing enterocolitis
not specified as recurrent A04.72
recurrent A04.71
sepsis A41.4
gas-forming NEC A48.0
histolyticum A48.0
novyi, causing gas gangrene A48.0
oedematiens A48.0
perfringens
as cause of disease classified elsewhere B96.7
due to food A05.2
foodborne (disease) A05.2
gas gangrene A48.0
sepsis A41.4
septicum, causing gas gangrene A48.0
sordellii, causing gas gangrene A48.0
welchii
as cause of disease classified elsewhere B96.7
foodborne (disease) A05.2
gas gangrene A48.0
necrotizing enteritis A05.2
sepsis A41.4
Coccidioides (immitis) see Coccidioidomycosis
colon see Enteritis, infectious
colostomy K94.02
common duct see Cholangitis
congenital P39.9
Candida (albicans) P37.5
cytomegalovirus P35.1
hepatitis, viral P35.3
herpes simplex P35.2
infectious or parasitic disease P37.9
specified NEC P37.8
listeriosis (disseminated) P37.2
malaria NEC P37.4
falciparum P37.3
Plasmodium falciparum P37.3
poliomyelitis P35.8
rubella P35.0
skin P39.4
toxoplasmosis (acute) (subacute) (chronic) P37.1
tuberculosis P37.0
urinary (tract) P39.3
vaccinia P35.8
virus P35.9
specified type NEC P35.8
Conidiobolus B46.8
as cause of disease classified elsewhere B97.29
severe acute respiratory syndrome (SARS associated) B97.21
corpus luteum see Salpingo-oophoritis
Corynebacterium diphtheriae see Diphtheria
cotia virus B08.8
COVID-19 U07.1 see also COVID-19
Coxiella burnetii A78
coxsackie see Coxsackie
Cronobacter (sakazakii) A49.8
as cause of disease classified elsewhere B96.89
generalized A41.59
Cryptococcus neoformans see Cryptococcosis
Cryptosporidium A07.2
Cunninghamella see Mucormycosis
cyst see Cyst
cystic duct K81.9 see also Cholecystitis
Cysticercus cellulosae see Cysticercosis
cytomegalovirus, cytomegaloviral B25.9
congenital P35.1
maternal, maternal care for (suspected) damage to fetus O35.3 Non-billable
mononucleosis B27.10
with
complication NEC B27.19
meningitis B27.12
polyneuropathy B27.11
delta-agent (acute), in hepatitis B carrier B17.0
dental (pulpal origin) K04.7
Deuteromycetes B47.0
Dicrocoelium dendriticum B66.2
Dipetalonema (perstans) (streptocerca) B74.4
diphtherial see Diphtheria
Diphyllobothrium (adult) (latum) (pacificum) B70.0
larval B70.1
Diplogonoporus (grandis) B71.8
Dipylidium caninum B67.4
Dirofilaria B74.8
Dracunculus medinensis B72
Drechslera (hawaiiensis) B43.8
ducreyi Haemophilus (any location) A57
due to or resulting from
artificial insemination N98.0
Babesia
divergens (-like) strain B60.03
duncani (-type) species B60.02
microti B60.01
species
specified NEC B60.09
central venous catheter T80.219 Non-billable
bloodstream T80.211 Non-billable
exit or insertion site T80.212 Non-billable
localized T80.212 Non-billable
port or reservoir T80.212 Non-billable
specified NEC T80.218 Non-billable
tunnel T80.212 Non-billable
device, implant or graft T85.79 Non-billable see also Complications, by site and type, infection or inflammation
arterial graft NEC T82.7 Non-billable
breast (implant) T85.79 Non-billable
catheter NEC T85.79 Non-billable
dialysis (renal) T82.7 Non-billable
central line T80.211 Non-billable
intraperitoneal T85.71 Non-billable
infusion NEC T82.7 Non-billable
cranial T85.735 Non-billable
intrathecal T85.735 Non-billable
spinal (epidural) (subdural) T85.735 Non-billable
subarachnoid T85.735 Non-billable
urinary T83.518 Non-billable
cystostomy T83.510 Non-billable
Hopkins T83.518 Non-billable
ileostomy T83.518 Non-billable
nephrostomy T83.512 Non-billable
specified NEC T83.518 Non-billable
urethral indwelling T83.511 Non-billable
urostomy T83.518 Non-billable
electronic (electrode) (pulse generator) (stimulator)
bone T84.7 Non-billable
cardiac T82.7 Non-billable
nervous system T85.738 Non-billable
brain T85.731 Non-billable
cranial nerve T85.732 Non-billable
gastric nerve T85.732 Non-billable
generator pocket T85.734 Non-billable
neurostimulator generator T85.734 Non-billable
peripheral nerve T85.732 Non-billable
sacral nerve T85.732 Non-billable
spinal cord T85.733 Non-billable
vagal nerve T85.732 Non-billable
urinary T83.590 Non-billable
fixation, internal (orthopedic) NEC see Complication, fixation device, infection
gastrointestinal (bile duct) (esophagus) T85.79 Non-billable
neurostimulator electrode (lead) T85.732 Non-billable
genital NEC T83.69 Non-billable
heart NEC T82.7 Non-billable
valve (prosthesis) T82.6 Non-billable
graft T82.7 Non-billable
joint prosthesis see Complication, joint prosthesis, infection
ocular (corneal graft) (orbital implant) NEC T85.79 Non-billable
orthopedic NEC T84.7 Non-billable
penile (cylinder) (pump) (reservoir) T83.61 Non-billable
specified NEC T85.79 Non-billable
testicular T83.62 Non-billable
urinary NEC T83.598 Non-billable
ileal conduit stent T83.593 Non-billable
implanted neurostimulation T83.590 Non-billable
implanted sphincter T83.591 Non-billable
indwelling ureteral stent T83.592 Non-billable
nephroureteral stent T83.593 Non-billable
specified stent NEC T83.593 Non-billable
vascular NEC T82.7 Non-billable
ventricular intracranial (communicating) shunt T85.730 Non-billable
Hickman catheter T80.219 Non-billable
bloodstream T80.211 Non-billable
localized T80.212 Non-billable
specified NEC T80.218 Non-billable
immunization or vaccination T88.0 Non-billable
infusion, injection or transfusion NEC T80.29 Non-billable
acute T80.22 Non-billable
injury NEC - code by site under Wound, open
peripherally inserted central catheter (PICC) T80.219 Non-billable
bloodstream T80.211 Non-billable
localized T80.212 Non-billable
specified NEC T80.218 Non-billable
portacath (port-a-cath) T80.219 Non-billable
bloodstream T80.211 Non-billable
localized T80.212 Non-billable
specified NEC T80.218 Non-billable
protozoa of the order Piroplasmida NEC B60.09
pulmonary artery catheter see Infection, due to or resulting from, central venous catheter
surgery T81.40 Non-billable
Swan Ganz catheter see Infection, due to or resulting from, central venous catheter
triple lumen catheter T80.219 Non-billable
bloodstream T80.211 Non-billable
localized T80.212 Non-billable
specified NEC T80.218 Non-billable
umbilical venous catheter T80.219 Non-billable
bloodstream T80.211 Non-billable
localized T80.212 Non-billable
specified NEC T80.218 Non-billable
during labor NEC O75.3
ear (middle) see also Otitis media
external see Otitis, externa, infective
inner
Eberthella typhosa A01.00
Echinococcus see Echinococcus
echovirus
as cause of disease classified elsewhere B97.12
unspecified nature or site B34.1
endocardium I33.0
endocervix see Cervicitis
Entamoeba see Amebiasis
enteric see Enteritis, infectious
Enterobacter sakazakii B96.89
Enterobius vermicularis B80
enterostomy K94.12
enterovirus B34.1
as cause of disease classified elsewhere B97.10
coxsackievirus B97.11
echovirus B97.12
specified NEC B97.19
Entomophthora B46.8
Epidermophyton see Dermatophytosis
epididymis see Epididymitis
episiotomy (puerperal) O86.09
Erysipelothrix (insidiosa) (rhusiopathiae) see Erysipeloid
erythema infectiosum B08.3
Escherichia (E.) coli NEC A49.8
as cause of disease classified elsewhere B96.20 see also Escherichia coli
congenital P39.8
sepsis P36.4
generalized A41.51
intestinal see Enteritis, infectious, due to, Escherichia coli
ethmoidal (chronic) (sinus) see Sinusitis, ethmoidal
eustachian tube (ear) see Salpingitis, eustachian
external auditory canal (meatus) NEC see Otitis, externa, infective
eye (purulent) see Endophthalmitis, purulent
eyelid see Inflammation, eyelid
fallopian tube see Salpingo-oophoritis
Fasciola (gigantica) (hepatica) (indica) B66.3
Fasciolopsis (buski) B66.5
filarial see Infestation, filarial
finger (skin) L08.9
nail L03.01 Non-billable
fungus B35.1
fish tapeworm B70.0
larval B70.1
flagellate, intestinal A07.9
fluke see Infestation, fluke
focal
teeth (pulpal origin) K04.7
tonsils J35.01
Fonsecaea (compactum) (pedrosoi) B43.0
food see Intoxication, foodborne
foot (skin) L08.9
dermatophytic fungus B35.3
Francisella tularensis see Tularemia
frontal (sinus) (chronic) see Sinusitis, frontal
fungus NOS B49
beard B35.0
dermatophytic see Dermatophytosis
foot B35.3
groin B35.6
hand B35.2
nail B35.1
pathogenic to compromised host only B48.8
perianal (area) B35.6
scalp B35.0
skin B36.9
foot B35.3
hand B35.2
toenails B35.1
Fusarium B48.8
gallbladder see Cholecystitis
gas bacillus see Gangrene, gas
gastrointestinal see Enteritis, infectious
generalized NEC see Sepsis
generator pocket, implanted electronic neurostimulator T85.734 Non-billable
genital organ or tract
female see Disease, pelvis, inflammatory
male N49.9
multiple sites N49.8
specified NEC N49.8
Ghon tubercle, primary A15.7
Giardia lamblia A07.1
gingiva (chronic) K05.10
acute K05.00
nonplaque induced K05.01
plaque induced K05.00
nonplaque induced K05.11
plaque induced K05.10
glanders A24.0
glenosporopsis B48.0
Gnathostoma (spinigerum) B83.1
Gongylonema B83.8
gonococcal see Gonococcus
gram-negative bacilli NOS A49.9
guinea worm B72
gum (chronic) K05.10
acute K05.00
nonplaque induced K05.01
plaque induced K05.00
nonplaque induced K05.11
plaque induced K05.10
Haemophilus see Infection, Hemophilus
heart see Carditis
Helicobacter pylori A04.8
as cause of disease classified elsewhere B96.81
helminths B83.9
intestinal B82.0
mixed (types classifiable to more than one of the titles B65.0-B81.3 and B81.8) B81.4
specified type NEC B81.8
specified type NEC B83.8
Hemophilus
aegyptius, systemic A48.4
ducreyi (any location) A57
influenzae NEC A49.2
as cause of disease classified elsewhere B96.3
generalized A41.3
herpes (simplex) see also Herpes
congenital P35.2
disseminated B00.7
zoster B02.9
herpesvirus, herpesviral see Herpes
hip (joint) NEC M00.9
due to internal joint prosthesis
left T84.52 Non-billable
right T84.51 Non-billable
skin NEC L08.9
Heterophyes (heterophyes) B66.8
Histoplasma see Histoplasmosis
American B39.4
capsulatum B39.4
hookworm B76.9
human
papilloma virus A63.0
T-cell lymphotropic virus type-1 (HTLV-1) B33.3
hydrocele N43.0
Hymenolepis B71.0
hypopharynx see Pharyngitis
inguinal (lymph) glands L04.1
due to soft chancre A57
intervertebral disc, pyogenic M46.30
cervical region M46.32
cervicothoracic region M46.33
lumbar region M46.36
lumbosacral region M46.37
multiple sites M46.39
occipito-atlanto-axial region M46.31
sacrococcygeal region M46.38
thoracic region M46.34
thoracolumbar region M46.35
intestine, intestinal see Enteritis, infectious
specified NEC A08.8
intra-amniotic affecting newborn NEC P39.2
intrauterine inflammation O41.12 Non-billable
Isospora belli or hominis A07.3
Japanese B encephalitis A83.0
jaw (bone) (lower) (upper) M27.2
joint NEC M00.9
due to internal joint prosthesis T84.50 Non-billable
kidney (cortex) (hematogenous) N15.9
with calculus N20.0
with hydronephrosis N13.6
following ectopic gestation O08.83
pelvis and ureter (cystic) N28.85
puerperal (postpartum) O86.21
specified NEC N15.8
Klebsiella (K.) pneumoniae NEC A49.8
as cause of disease classified elsewhere B96.1
knee (joint) NEC M00.9
joint M00.9
due to internal joint prosthesis
left T84.54 Non-billable
right T84.53 Non-billable
skin L08.9
Koch's see Tuberculosis
labia (majora) (minora) (acute) see Vulvitis
lacrimal
gland see Dacryoadenitis
passages (duct) (sac) see Inflammation, lacrimal, passages
lancet fluke B66.2
larynx NEC J38.7
leg (skin) NOS L08.9
Legionella pneumophila A48.1
nonpneumonic A48.2
Leishmania see also Leishmaniasis
aethiopica B55.1
braziliensis B55.2
chagasi B55.0
donovani B55.0
infantum B55.0
major B55.1
mexicana B55.1
tropica B55.1
lentivirus, as cause of disease classified elsewhere B97.31
Leptosphaeria senegalensis B47.0
Leptospira interrogans A27.9
autumnalis A27.89
canicola A27.89
hebdomadis A27.89
icterohaemorrhagiae A27.0
pomona A27.89
specified type NEC A27.89
leptospirochetal NEC see Leptospirosis
Listeria monocytogenes see also Listeriosis
congenital P37.2
Loa loa B74.3
with conjunctival infestation B74.3
eyelid B74.3
Loboa loboi B48.0
local, skin (staphylococcal) (streptococcal) L08.9
abscess - code by site under Abscess
cellulitis - code by site under Cellulitis
specified NEC L08.89
ulcer see Ulcer, skin
Loefflerella mallei A24.0
lung J18.9 see also Pneumonia
atypical Mycobacterium A31.0
spirochetal A69.8
tuberculous see Tuberculosis, pulmonary
virus see Pneumonia, viral
lymph gland see also Lymphadenitis, acute
mesenteric I88.0
lymphoid tissue, base of tongue or posterior pharynx, NEC (chronic) J35.03
Madurella (grisea) (mycetomii) B47.0
major
following ectopic or molar pregnancy O08.0
puerperal, postpartum, childbirth O85
Malassezia furfur B36.0
Malleomyces
mallei A24.0
pseudomallei (whitmori) see Melioidosis
mammary gland N61.0
Mansonella (ozzardi) (perstans) (streptocerca) B74.4
mastoid see Mastoiditis
maxilla, maxillary M27.2
sinus (chronic) see Sinusitis, maxillary
mediastinum J98.51
Medina (worm) B72
meibomian cyst or gland see Hordeolum
meninges see Meningitis, bacterial
meningococcal A39.9 see also condition
adrenals A39.1
brain A39.81
cerebrospinal A39.0
conjunctiva A39.89
endocardium A39.51
heart A39.50
endocardium A39.51
myocardium A39.52
pericardium A39.53
joint A39.83
meninges A39.0
meningococcemia A39.4
acute A39.2
chronic A39.3
myocardium A39.52
pericardium A39.53
retrobulbar neuritis A39.82
specified site NEC A39.89
mesenteric lymph nodes or glands NEC I88.0
Metagonimus B66.8
metatarsophalangeal M00.9
methicillin
resistant Staphylococcus aureus (MRSA) A49.02
susceptible Staphylococcus aureus (MSSA) A49.01
Microsporum, microsporic see Dermatophytosis
mixed flora (bacterial) NEC A49.8
Monilia see Candidiasis
Monosporium apiospermum B48.2
mouth, parasitic B37.0
Mucor see Mucormycosis
muscle NEC see Myositis, infective
mycelium NOS B49
mycetoma B47.9
actinomycotic NEC B47.1
mycotic NEC B47.0
Mycobacterium, mycobacterial see Mycobacterium
Mycoplasma NEC A49.3
pneumoniae, as cause of disease classified elsewhere B96.0
mycotic NOS B49
pathogenic to compromised host only B48.8
skin NOS B36.9
myocardium NEC I40.0
nail (chronic)
with lymphangitis see Lymphangitis, acute, digit
finger L03.01 Non-billable
fungus B35.1
ingrowing L60.0
toe L03.03 Non-billable
fungus B35.1
nasal sinus (chronic) see Sinusitis
nasopharynx see Nasopharyngitis
Necator americanus B76.1
Neisseria see Gonococcus
Neotestudina rosatii B47.0
newborn P39.9
intra-amniotic NEC P39.2
skin P39.4
specified type NEC P39.8
nipple N61.0
associated with
lactation O91.03
pregnancy O91.01 Non-billable
puerperium O91.02
Nocardia see Nocardiosis
obstetrical surgical wound (puerperal) O86.00
incisional site
deep O86.02
superficial O86.01
organ and space site O86.03
surgical site specified NEC O86.09
Oesophagostomum (apiostomum) B81.8
Oestrus ovis see Myiasis
Oidium albicans B37.9
Onchocerca (volvulus) see Onchocerciasis
oncovirus, as cause of disease classified elsewhere B97.32
operation wound T81.49 Non-billable
Opisthorchis (felineus) (viverrini) B66.0
orbit, orbital see Inflammation, orbit
orthopoxvirus NEC B08.09
ovary see Salpingo-oophoritis
Oxyuris vermicularis B80
pancreas (acute) see Pancreatitis, acute
abscess see Pancreatitis, acute
specified NEC K85.80 see also Pancreatitis, acute
papillomavirus, as cause of disease classified elsewhere B97.7
papovavirus NEC B34.4
Paracoccidioides brasiliensis see Paracoccidioidomycosis
Paragonimus (westermani) B66.4
parainfluenza virus B34.8
parameningococcus NOS A39.9
parapoxvirus B08.60
specified NEC B08.69
parasitic B89
Parastrongylus
cantonensis B83.2
costaricensis B81.3
paratyphoid A01.4
Type A A01.1
Type B A01.2
Type C A01.3
paraurethral ducts N34.2
parotid gland see Sialoadenitis
parvovirus NEC B34.3
as cause of disease classified elsewhere B97.6
Pasteurella NEC A28.0
multocida A28.0
pestis see Plague
pseudotuberculosis A28.0
septica (cat bite) (dog bite) A28.0
tularensis see Tularemia
pelvic, female see Disease, pelvis, inflammatory
Penicillium (marneffei) B48.4
penis (glans) (retention) NEC N48.29
periapical K04.5
peridental, periodontal K05.20
generalized see Periodontitis, aggressive, generalized
localized see Periodontitis, aggressive, localized
perinatal period P39.9
specified type NEC P39.8
perineal repair (puerperal) O86.09
periorbital see Inflammation, orbit
perirectal K62.89
perirenal see Infection, kidney
peritoneal see Peritonitis
periureteral N28.89
Petriellidium boydii B48.2
pharynx see also Pharyngitis
coxsackievirus B08.5
posterior, lymphoid (chronic) J35.03
Phialophora
gougerotii (subcutaneous abscess or cyst) B43.2
jeanselmei (subcutaneous abscess or cyst) B43.2
verrucosa (skin) B43.0
Piedraia hortae B36.3
pinta A67.9
intermediate A67.1
late A67.2
mixed A67.3
primary A67.0
pinworm B80
pityrosporum furfur B36.0
pleuro-pneumonia-like organism (PPLO) NEC A49.3
as cause of disease classified elsewhere B96.0
pneumococcus, pneumococcal NEC A49.1
as cause of disease classified elsewhere B95.3
generalized (purulent) A40.3
with pneumonia J13
Pneumocystis carinii (pneumonia) B59
Pneumocystis jirovecii (pneumonia) B59
port or reservoir T80.212 Non-billable
postoperative T81.40 Non-billable
postoperative wound T81.49 Non-billable
surgical site
deep incisional T81.42 Non-billable
organ and space T81.43 Non-billable
specified NEC T81.49 Non-billable
superficial incisional T81.41 Non-billable
postprocedural T81.40 Non-billable
postvaccinal T88.0 Non-billable
prepuce NEC N47.7
with penile inflammation N47.6
prion see Disease, prion, central nervous system
prostate (capsule) see Prostatitis
Proteus (mirabilis) (morganii) (vulgaris) NEC A49.8
as cause of disease classified elsewhere B96.4
protozoal NEC B64
intestinal A07.9
specified NEC A07.8
specified NEC B60.8
Pseudoallescheria boydii B48.2
Pseudomonas NEC A49.8
as cause of disease classified elsewhere B96.5
generalized A41.52
mallei A24.0
pneumonia J15.1
pseudomallei see Melioidosis
puerperal O86.4
genitourinary tract NEC O86.89
major or generalized O85
minor O86.4
specified NEC O86.89
pulmonary see Infection, lung
purulent see Abscess
Pyrenochaeta romeroi B47.0
Q fever A78
rectum (sphincter) K62.89
renal see also Infection, kidney
pelvis and ureter (cystic) N28.85
reovirus, as cause of disease classified elsewhere B97.5
respiratory (tract) NEC J98.8
acute J22
chronic J98.8
influenzal (upper) (acute) see Influenza, with, respiratory manifestations NEC
lower (acute) J22
chronic see Bronchitis, chronic
rhinovirus J00
syncytial virus (RSV) see Infection, virus, respiratory syncytial (RSV)
upper (acute) NOS J06.9
chronic J39.8
streptococcal J06.9
viral NOS J06.9
due to respiratory syncytial virus (RSV) J06.9
resulting from
presence of internal prosthesis, implant, graft see Complications, by site and type, infection
retortamoniasis A07.8
retroperitoneal NEC K68.9
retrovirus B33.3
as cause of disease classified elsewhere B97.30
human
immunodeficiency, type 2 (HIV 2) B97.35
T-cell lymphotropic
type I (HTLV-I) B97.33
type II (HTLV-II) B97.34
lentivirus B97.31
oncovirus B97.32
specified NEC B97.39
Rhinosporidium (seeberi) B48.1
rhinovirus
as cause of disease classified elsewhere B97.89
unspecified nature or site B34.8
Rhizopus see Mucormycosis
rickettsial NOS A79.9
roundworm (large) NEC B82.0
Ascariasis B77.9 see also Ascariasis
rubella see Rubella
Saccharomyces see Candidiasis
salivary duct or gland (any) see Sialoadenitis
Salmonella (aertrycke) (arizonae) (cholerae-suis) (enteritidis) (gallinarum) (suipestifer) (typhimurium) A02.9
with
(gastro)enteritis A02.0
sepsis A02.1
specified manifestation NEC A02.8
due to food (poisoning) A02.9
hirschfeldii A01.3
localized A02.20
arthritis A02.23
meningitis A02.21
osteomyelitis A02.24
pneumonia A02.22
pyelonephritis A02.25
specified NEC A02.29
paratyphi A01.4
A A01.1
B A01.2
C A01.3
schottmuelleri A01.2
typhi, typhosa see Typhoid
Sarcocystis A07.8
SARS-CoV-2 see Infection, COVID-19
scabies B86
Schistosoma see Infestation, Schistosoma
scrotum (acute) NEC N49.2
seminal vesicle see Vesiculitis
septic
localized, skin see Abscess
Serratia NEC A49.8
as cause of disease classified elsewhere B96.89
generalized A41.53
sheep liver fluke B66.3
Shigella A03.9
boydii A03.2
dysenteriae A03.0
flexneri A03.1
group
A A03.0
B A03.1
C A03.2
D A03.3
Schmitz (-Stutzer) A03.0
schmitzii A03.0
shigae A03.0
sonnei A03.3
specified NEC A03.8
shoulder (joint) NEC M00.9
due to internal joint prosthesis T84.59 Non-billable
skin NEC L08.9
sinus (accessory) (chronic) (nasal) see also Sinusitis
pilonidal see Sinus, pilonidal
skin NEC L08.89
Skene's duct or gland see Urethritis
skin (local) (staphylococcal) (streptococcal) L08.9
abscess - code by site under Abscess
cellulitis - code by site under Cellulitis
due to fungus B36.9
specified type NEC B36.8
mycotic B36.9
specified type NEC B36.8
newborn P39.4
ulcer see Ulcer, skin
slow virus A81.9
specified NEC A81.89
Sparganum (mansoni) (proliferum) (baxteri) B70.1
specific see also Syphilis
to perinatal period see Infection, congenital
specified NEC B99.8
spermatic cord NEC N49.1
sphenoidal (sinus) see Sinusitis, sphenoidal
spinal cord NOS G04.91 see also Myelitis
abscess G06.1
meninges see Meningitis
streptococcal G04.89
Spirillum A25.0
spirochetal NOS A69.9
lung A69.8
specified NEC A69.8
Spirometra larvae B70.1
spleen D73.89
Sporotrichum, Sporothrix (schenckii) see Sporotrichosis
staphylococcal, unspecified site
aureus (methicillin susceptible) (MSSA) A49.01
methicillin resistant (MRSA) A49.02
as cause of disease classified elsewhere B95.8
aureus (methicillin susceptible) (MSSA) B95.61
methicillin resistant (MRSA) B95.62
specified NEC B95.7
food poisoning A05.0
generalized (purulent) A41.2
pneumonia see Pneumonia, staphylococcal
Stellantchasmus falcatus B66.8
streptobacillus moniliformis A25.1
streptococcal NEC A49.1
as cause of disease classified elsewhere B95.5
B genitourinary complicating
childbirth O98.82
pregnancy O98.81 Non-billable
puerperium O98.83
congenital
sepsis P36.10
group B P36.0
specified NEC P36.19
generalized (purulent) A40.9
Streptomyces B47.1
Strongyloides (stercoralis) see Strongyloidiasis
stump (amputation) (surgical) see Complication, amputation stump, infection
subcutaneous tissue, local L08.9
suipestifer see Infection, salmonella
swimming pool bacillus A31.1
Taenia see Infestation, Taenia
Taeniarhynchus saginatus B68.1
tapeworm see Infestation, tapeworm
tendon (sheath) see Tenosynovitis, infective NEC
Ternidens diminutus B81.8
testis see Orchitis
threadworm B80
throat see Pharyngitis
thyroglossal duct K14.8
toe (skin) L08.9
cellulitis L03.03 Non-billable
fungus B35.1
nail L03.03 Non-billable
fungus B35.1
tongue NEC K14.0
parasitic B37.0
tonsil (and adenoid) (faucial) (lingual) (pharyngeal) see Tonsillitis
tooth, teeth K04.7
periapical K04.7
peridental, periodontal K05.20
generalized see Periodontitis, aggressive, generalized
localized see Periodontitis, aggressive, localized
pulp K04.01
irreversible K04.02
reversible K04.01
socket M27.3
TORCH see Infection, congenital
without active infection P00.2
Torula histolytica see Cryptococcosis
Toxocara (canis) (cati) (felis) B83.0
Toxoplasma gondii see Toxoplasma
trachea, chronic J42
trematode NEC see Infestation, fluke
trench fever A79.0
Treponema pallidum see Syphilis
Trichinella (spiralis) B75
Trichomonas A59.9
cervix A59.09
intestine A07.8
prostate A59.02
specified site NEC A59.8
urethra A59.03
urogenitalis A59.00
vagina A59.01
vulva A59.01
Trichophyton, trichophytic see Dermatophytosis
Trichosporon (beigelii) cutaneum B36.2
Trichostrongylus B81.2
Trichuris (trichiura) B79
Trombicula (irritans) B88.09
Trypanosoma
brucei
gambiense B56.0
rhodesiense B56.1
cruzi see Chagas' disease
tubal see Salpingo-oophoritis
tuberculous
latent (LTBI) Z22.7
NEC see Tuberculosis
tubo-ovarian see Salpingo-oophoritis
tunnel T80.212 Non-billable
tunica vaginalis N49.1
tympanic membrane NEC see Myringitis
typhoid (abortive) (ambulant) (bacillus) see Typhoid
typhus A75.9
flea-borne A75.2
mite-borne A75.3
recrudescent A75.1
tick-borne A77.9
African A77.1
North Asian A77.2
umbilicus L08.82
ureter see Ureteritis
urethra see Urethritis
urinary (tract) N39.0
bladder see Cystitis
complicating
pregnancy O23.4 Non-billable
specified type NEC O23.3 Non-billable
kidney see Infection, kidney
newborn P39.3
puerperal (postpartum) O86.20
tuberculous A18.13
urethra see Urethritis
uterus, uterine see Endometritis
vaccination T88.0 Non-billable
vaccinia not from vaccination B08.011
vagina (acute) see Vaginitis
varicella B01.9
varicose veins see Varix
vas deferens NEC N49.1
vesical see Cystitis
Vibrio
cholerae A00.0
El Tor A00.1
parahaemolyticus (food poisoning) A05.3
vulnificus
as cause of disease classified elsewhere B96.82
foodborne intoxication A05.5
Vincent's (gum) (mouth) (tonsil) A69.1
virus, viral NOS B34.9
adenovirus
as cause of disease classified elsewhere B97.0
unspecified nature or site B34.0
arborvirus, arbovirus arthropod-borne A94
as cause of disease classified elsewhere B97.89
adenovirus B97.0
SARS-associated B97.21
coxsackievirus B97.11
echovirus B97.12
enterovirus B97.10
coxsackievirus B97.11
echovirus B97.12
specified NEC B97.19
human
immunodeficiency, type 2 (HIV 2) B97.35
T-cell lymphotropic,
type I (HTLV-I) B97.33
type II (HTLV-II) B97.34
metapneumovirus B97.81
papillomavirus B97.7
parvovirus B97.6
reovirus B97.5
respiratory syncytial (RSV) see Infection, virus, respiratory syncytial (RSV)
retrovirus B97.30
human
immunodeficiency, type 2 (HIV 2) B97.35
T-cell lymphotropic,
type I (HTLV-I) B97.33
type II (HTLV-II) B97.34
lentivirus B97.31
oncovirus B97.32
specified NEC B97.39
specified NEC B97.89
central nervous system A89
atypical A81.9
specified NEC A81.89
enterovirus NEC A88.8
meningitis A87.0
slow virus A81.9
specified NEC A81.89
specified NEC A88.8
chest J98.8
cotia B08.8
COVID-19 U07.1
coxsackie B34.1 see also Infection, coxsackie
as cause of disease classified elsewhere B97.11
ECHO
as cause of disease classified elsewhere B97.12
unspecified nature or site B34.1
encephalitis, tick-borne A84.9
enterovirus, as cause of disease classified elsewhere B97.10
coxsackievirus B97.11
echovirus B97.12
specified NEC B97.19
exanthem NOS B09
human papilloma as cause of disease classified elsewhere B97.7
human metapneumovirus as cause of disease classified elsewhere B97.81
intestine see Enteritis, viral
respiratory syncytial (RSV)
as cause of disease classified elsewhere B97.4
bronchiolitis J21.0
bronchitis J20.5
bronchopneumonia J12.1
otitis media H65.
pneumonia J12.1
upper respiratory infection J06.9
rhinovirus
as cause of disease classified elsewhere B97.89
unspecified nature or site B34.8
slow A81.9
specified NEC A81.89
specified type NEC B33.8
as cause of disease classified elsewhere B97.89
unspecified nature or site B34.8
unspecified nature or site B34.9
West Nile see Virus, West Nile
vulva (acute) see Vulvitis
West Nile see Virus, West Nile
whipworm B79
worms B83.9
specified type NEC B83.8
Wuchereria (bancrofti) B74.0
malayi B74.1
yatapoxvirus B08.70
specified NEC B08.79
yeast B37.9 see also Candidiasis
yellow fever see Fever, yellow
Yersinia
enterocolitica (intestinal) A04.6
pestis see Plague
pseudotuberculosis A28.2
Zeis' gland see Hordeolum
Zika virus A92.5
congenital P35.4
zoonotic bacterial NOS A28.9
Zopfia senegalensis B47.0
The info icon previews the code's description and billable status; the code link opens its full page with all notations.
Related Index Terms
AmebiasisAnthraxAscariasisBursitisCholecystitisCoccidioidomycosisConditionCOVID-19ErysipeloidHistoplasmosisInfestationIntoxicationAll index terms starting with IIndex to Diseases and InjuriesICD-10-CM Code Lookup
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.
