ICD-10-CM Alphabetic Index · FY 2026 355 Entries
Arthritis in the ICD-10-CM Index ICD-10-CM
The main term Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) carries 355 index entries pointing to 215 ICD-10-CM codes. The default entry is M19.90, 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
355
Index Entries
215
Codes Referenced
M19.90
Default Code
A
Letter
355 of 355 shown
ICD-10-CM
Index Entries Under Arthritis 355 entries · 215 codes
Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) M19.90
allergic see Arthritis, specified form NEC
ankylosing (crippling) (spine) see also Spondylitis, ankylosing
sites other than spine see Arthritis, specified form NEC
atrophic see Osteoarthritis
spine see Spondylitis, ankylosing
back see Spondylopathy, inflammatory
blennorrhagic (gonococcal) A54.42
Charcot's see Arthropathy, neuropathic
diabetic see Diabetes, arthropathy, neuropathic
syringomyelic G95.0
chylous (filarial) B74.9 see also category M01
climacteric (any site) NEC see Arthritis, specified form NEC
crystal (-induced) see Arthritis, in, crystals
deformans see Osteoarthritis
degenerative see Osteoarthritis
due to or associated with
acromegaly E22.0
brucellosis see Brucellosis
caisson disease T70.3 Non-billable
diabetes see Diabetes, arthropathy
dracontiasis B72 see also category M01
enteritis NEC
regional see Enteritis, regional
erysipelas A46 see also category M01
erythema
epidemic A25.1
nodosum L52
filariasis NOS B74.9
glanders A24.0
helminthiasis B83.9 see also category M01
hemophilia D66
Henoch- (Schönlein) purpura D69.0
human parvovirus B97.6 see also category M01
infectious disease NEC see category M01
leprosy (see also category M01) A30.9 see also Leprosy
Lyme disease A69.23
mycobacteria A31.8 see also category M01
parasitic disease NEC B89 see also category M01
paratyphoid fever (see also category M01) A01.4 see also Fever, paratyphoid
rat bite fever A25.1 see also category M01
regional enteritis see Enteritis, regional
respiratory disorder NOS J98.9
syringomyelia G95.0
typhoid fever A01.04
epidemic erythema A25.1
facet joint M47.819 see also Spondylosis
febrile see Fever, rheumatic
gonococcal A54.42
gouty (acute) see Gout
in (due to)
acromegaly E22.0 see also subcategory M14.8-
amyloidosis E85.4 see also subcategory M14.8-
bacterial disease A49.9 see also subcategory M01
Behçet's syndrome M35.2
coliform bacilli (Escherichia coli) see Arthritis, in, pyogenic organism NEC
crystals M11.9
dicalcium phosphate see Arthritis, in, crystals, specified type NEC
hydroxyapatite M11.0- Non-billable
pyrophosphate see Arthritis, in, crystals, specified type NEC
specified type NEC M11.80
ankle M11.87- Non-billable
elbow M11.82- Non-billable
foot joint M11.87- Non-billable
hand joint M11.84- Non-billable
hip M11.85- Non-billable
knee M11.86- Non-billable
multiple sites M11.89
shoulder M11.81- Non-billable
vertebrae M11.88
wrist M11.83- Non-billable
dermatoarthritis, lipoid E78.81
dracontiasis (dracunculiasis) B72 see also category M01
endocrine disorder NEC E34.9 see also subcategory M14.8-
enteritis, infectious NEC A09 see also category M01
specified organism NEC A08.8 see also category M01
erythema
multiforme L51.9 see also subcategory M14.8-
nodosum L52 see also subcategory M14.8-
gout see Gout
helminthiasis NEC B83.9 see also category M01
hemochromatosis E83.118 see also subcategory M14.8-
hemoglobinopathy NEC D58.2
hemophilia NEC D66
Hemophilus influenzae M00.8- Non-billable
Henoch (-Schönlein) purpura D69.0
hyperparathyroidism NEC E21.3 see also subcategory M14.8-
hypersensitivity reaction NEC T78.49 Non-billable
hypogammaglobulinemia D80.1 see also subcategory M14.8-
hypothyroidism NEC E03.9 see also subcategory M14.8-
infection see Arthritis, pyogenic or pyemic
spine see Spondylopathy, infective
infectious disease NEC see category M01
leprosy A30.9 see also category M01
leukemia NEC C95.9- Non-billable
lipoid dermatoarthritis E78.81
Lyme disease A69.23
Mediterranean fever, familial M04.1 see also subcategory M14.8-
Meningococcus A39.83
metabolic disorder NEC E88.9 see also subcategory M14.8-
multiple myelomatosis C90.0- Non-billable
mumps B26.85
mycosis NEC B49 see also category M01
myelomatosis (multiple) C90.0- Non-billable
neurological disorder NEC G98.0
ochronosis E70.29 see also subcategory M14.8-
O'nyong-nyong A92.1 see also category M01
parasitic disease NEC B89 see also category M01
paratyphoid fever A01.4 see also category M01
Pseudomonas see Arthritis, pyogenic, bacterial NEC
psoriasis L40.50
pyogenic organism NEC see Arthritis, pyogenic, bacterial NEC
Reiter's disease see Reiter's disease
respiratory disorder NEC J98.9 see also subcategory M14.8-
rubella B06.82
Salmonella (arizonae) (cholerae-suis) (enteritidis) (typhimurium) A02.23
sarcoidosis D86.86
specified bacteria NEC see Arthritis, pyogenic, bacterial NEC
sporotrichosis B42.82
syringomyelia G95.0
thalassemia NEC D56.9
tuberculosis see Tuberculosis, arthritis
typhoid fever A01.04
urethritis, Reiter's see Reiter's disease
viral disease NEC B34.9 see also category M01
infectious or infective see also Arthritis, pyogenic or pyemic
spine see Spondylopathy, infective
juvenile M08.90
with systemic onset see Still's disease
ankle M08.97- Non-billable
elbow M08.92- Non-billable
foot joint M08.97- Non-billable
hand joint M08.94- Non-billable
hip M08.95- Non-billable
knee M08.96- Non-billable
multiple site M08.99
pauciarticular M08.40
ankle M08.47- Non-billable
elbow M08.42- Non-billable
foot joint M08.47- Non-billable
hand joint M08.44- Non-billable
hip M08.45- Non-billable
knee M08.46- Non-billable
shoulder M08.41- Non-billable
specified site NEC M08.4A
vertebrae M08.48
wrist M08.43- Non-billable
psoriatic L40.54
rheumatoid see Arthritis, rheumatoid, juvenile
shoulder M08.91- Non-billable
specified site NEC M08.9A
vertebra M08.98
specified type NEC M08.80
ankle M08.87- Non-billable
elbow M08.82- Non-billable
foot joint M08.87- Non-billable
hand joint M08.84- Non-billable
hip M08.85- Non-billable
knee M08.86- Non-billable
multiple site M08.89
shoulder M08.81- Non-billable
specified joint NEC M08.88
vertebrae M08.88
wrist M08.83- Non-billable
wrist M08.93- Non-billable
meaning osteoarthritis see Osteoarthritis
meningococcal A39.83
menopausal (any site) NEC see Arthritis, specified form NEC
mutilans (psoriatic) L40.52
mycotic NEC B49 see also category M01
neuropathic (Charcot) see Arthropathy, neuropathic
diabetic see Diabetes, arthropathy, neuropathic
nonsyphilitic NEC G98.0
syringomyelic G95.0
ochronotic E70.29 see also subcategory M14.8-
palindromic (any site) see Rheumatism, palindromic
pneumococcal M00.10
ankle M00.17- Non-billable
elbow M00.12- Non-billable
foot joint see Arthritis, pneumococcal, ankle
hand joint M00.14- Non-billable
hip M00.15- Non-billable
knee M00.16- Non-billable
multiple site M00.19
shoulder M00.11- Non-billable
vertebra M00.18
wrist M00.13- Non-billable
postdysenteric see Arthropathy, postdysenteric
postmeningococcal A39.84
postrheumatic, chronic see Arthropathy, postrheumatic, chronic
primary progressive see also Arthritis, specified form NEC
spine see Spondylitis, ankylosing
psoriatic L40.50
purulent (any site except spine) see Arthritis, pyogenic or pyemic
spine see Spondylopathy, infective
pyogenic or pyemic (any site except spine) M00.9
bacterial NEC M00.80
ankle M00.87- Non-billable
elbow M00.82- Non-billable
foot joint see Arthritis, pyogenic, bacterial NEC, ankle
hand joint M00.84- Non-billable
hip M00.85- Non-billable
knee M00.86- Non-billable
multiple site M00.89
shoulder M00.81- Non-billable
vertebra M00.88
wrist M00.83- Non-billable
pneumococcal see Arthritis, pneumococcal
spine see Spondylopathy, infective
staphylococcal see Arthritis, staphylococcal
streptococcal see Arthritis, streptococcal NEC
pneumococcal see Arthritis, pneumococcal
reactive see Reiter's disease
rheumatic see also Arthritis, rheumatoid
acute or subacute see Fever, rheumatic
rheumatoid M06.9
with
carditis see Rheumatoid, carditis
endocarditis see Rheumatoid, carditis
heart involvement NEC see Rheumatoid, carditis
lung involvement see Rheumatoid, lung
myocarditis see Rheumatoid, carditis
myopathy see Rheumatoid, myopathy
pericarditis see Rheumatoid, carditis
polyneuropathy see Rheumatoid, polyneuropathy
rheumatoid factor see Arthritis, rheumatoid, seropositive
splenoadenomegaly and leukopenia see Felty's syndrome
vasculitis see Rheumatoid, vasculitis
visceral involvement NEC see Rheumatoid, arthritis, with involvement of organs NEC
juvenile (with or without rheumatoid factor) M08.00
with systemic onset see Still's disease
ankle M08.07- Non-billable
elbow M08.02- Non-billable
foot joint M08.07- Non-billable
hand joint M08.04- Non-billable
hip M08.05- Non-billable
knee M08.06- Non-billable
multiple site M08.09
shoulder M08.01- Non-billable
specified site NEC M08.0A
vertebra M08.08
wrist M08.03- Non-billable
seronegative M06.00
ankle M06.07- Non-billable
elbow M06.02- Non-billable
foot joint M06.07- Non-billable
hand joint M06.04- Non-billable
hip M06.05- Non-billable
knee M06.06- Non-billable
multiple site M06.09
shoulder M06.01- Non-billable
specified site NEC M06.0A
vertebra M06.08
wrist M06.03- Non-billable
seropositive M05.9
specified NEC M05.80
ankle M05.87- Non-billable
elbow M05.82- Non-billable
foot joint M05.87- Non-billable
hand joint M05.84- Non-billable
hip M05.85- Non-billable
knee M05.86- Non-billable
multiple sites M05.89
shoulder M05.81- Non-billable
specified site NEC M05.8A
vertebra see Spondylitis, ankylosing
wrist M05.83- Non-billable
without organ involvement M05.70
ankle M05.77- Non-billable
elbow M05.72- Non-billable
foot joint M05.77- Non-billable
hand joint M05.74- Non-billable
hip M05.75- Non-billable
knee M05.76- Non-billable
multiple sites M05.79
shoulder M05.71- Non-billable
specified site NEC M05.7A
vertebra see Spondylitis, ankylosing
wrist M05.73- Non-billable
specified type NEC M06.80
ankle M06.87- Non-billable
elbow M06.82- Non-billable
foot joint M06.87- Non-billable
hand joint M06.84- Non-billable
hip M06.85- Non-billable
knee M06.86- Non-billable
multiple site M06.89
shoulder M06.81- Non-billable
specified site NEC M06.8A
vertebra M06.88
wrist M06.83- Non-billable
spine see Spondylitis, ankylosing
rubella B06.82
scorbutic E54 see also subcategory M14.8-
senile or senescent see Osteoarthritis
septic (any site except spine) see Arthritis, pyogenic or pyemic
spine see Spondylopathy, infective
serum (nontherapeutic) (therapeutic) see Arthropathy, postimmunization
specified form NEC M13.80
ankle M13.87- Non-billable
elbow M13.82- Non-billable
foot joint M13.87- Non-billable
hand joint M13.84- Non-billable
hip M13.85- Non-billable
knee M13.86- Non-billable
multiple site M13.89
shoulder M13.81- Non-billable
specified joint NEC M13.88
wrist M13.83- Non-billable
spine see also Spondylosis
infectious or infective NEC see Spondylopathy, infective
Marie-Strümpell see Spondylitis, ankylosing
pyogenic see Spondylopathy, infective
rheumatoid see Spondylitis, ankylosing
traumatic (old) see Spondylopathy, traumatic
tuberculous A18.01
staphylococcal M00.00
ankle M00.07- Non-billable
elbow M00.02- Non-billable
foot joint see Arthritis, staphylococcal, ankle
hand joint M00.04- Non-billable
hip M00.05- Non-billable
knee M00.06- Non-billable
multiple site M00.09
shoulder M00.01- Non-billable
vertebra M00.08
wrist M00.03- Non-billable
streptococcal NEC M00.20
ankle M00.27- Non-billable
elbow M00.22- Non-billable
foot joint see Arthritis, streptococcal, ankle
hand joint M00.24- Non-billable
hip M00.25- Non-billable
knee M00.26- Non-billable
multiple site M00.29
shoulder M00.21- Non-billable
vertebra M00.28
wrist M00.23- Non-billable
suppurative see Arthritis, pyogenic or pyemic
syphilitic (late) A52.16
congenital A50.55
syphilitica deformans (Charcot) A52.16
temporomandibular joint M26.64- Non-billable
toxic of menopause (any site) see Arthritis, specified form NEC
transient see Arthropathy, specified form NEC
traumatic (chronic) see Arthropathy, traumatic
tuberculous A18.02
spine A18.01
uratic see Gout
urethritica (Reiter's) see Reiter's disease
vertebral see Spondylopathy, inflammatory
villous (any site) see Arthropathy, specified form NEC
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Related Index Terms
ArthropathyFelty's syndromeLeprosyOsteoarthritisAll index terms starting with AIndex 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.
