ICD-10-CM Alphabetic Index · FY 2026 425 Entries
Fistula in the ICD-10-CM Index ICD-10-CM
The main term Fistula (cutaneous) carries 425 index entries pointing to 135 ICD-10-CM codes. The default entry is L98.8, 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
425
Index Entries
135
Codes Referenced
L98.8
Default Code
F
Letter
425 of 425 shown
ICD-10-CM
Index Entries Under Fistula 425 entries · 135 codes
Fistula (cutaneous) L98.8
abdomen (wall) K63.2
bladder N32.2
intestine NEC K63.2
ureter N28.89
uterus N82.5
abdominorectal K63.2
abdominosigmoidal K63.2
abdominothoracic J86.0
abdominouterine N82.5
congenital Q51.7
abdominovesical N32.2
accessory sinuses see Sinusitis
actinomycotic see Actinomycosis
alveolar antrum see Sinusitis, maxillary
alveolar process K04.6
anorectal (infectional) K60.50
complex K60.529
chronic K60.522
initial K60.521
new K60.521
occurring following complete healing K60.523
persistent K60.522
recurrent K60.523
extrasphincteric K60.52- Non-billable
high intersphincteric K60.52- Non-billable
low intersphincteric K60.51- Non-billable
simple K60.519
chronic K60.512
initial K60.511
new K60.511
occurring following complete healing K60.513
persistent K60.512
recurrent K60.513
superficial K60.51- Non-billable
suprasphincteric K60.52- Non-billable
transsphincteric K60.52- Non-billable
antrobuccal see Sinusitis, maxillary
antrum see Sinusitis, maxillary
anus, anal (recurrent) (infectional) K60.30
complex K60.329
chronic K60.322
initial K60.321
new K60.321
occurring following complete healing K60.323
persistent K60.322
recurrent K60.323
congenital Q43.6
with absence, atresia and stenosis Q42.2
extrasphincteric K60.32- Non-billable
high intersphincteric K60.32- Non-billable
low intersphincteric K60.31- Non-billable
simple K60.319
chronic K60.312
initial K60.311
new K60.311
occurring following complete healing K60.313
persistent K60.312
recurrent K60.313
superficial K60.31- Non-billable
suprasphincteric K60.32- Non-billable
transsphincteric K60.32- Non-billable
tuberculous A18.32
aorta-duodenal I77.2
appendix, appendicular K38.3
arteriovenous (acquired) (nonruptured) I77.0
brain I67.1
congenital Q28.2
ruptured see Fistula, arteriovenous, brain, ruptured
ruptured I60.8
intracerebral I61.8
intraparenchymal I61.8
intraventricular I61.5
subarachnoid I60.8
cerebral see Fistula, arteriovenous, brain
congenital (peripheral) see also Malformation, arteriovenous
brain Q28.2
ruptured see Fistula, arteriovenous, brain, ruptured
coronary Q24.5
pulmonary Q25.72
coronary I25.41
congenital Q24.5
pulmonary I28.0
congenital Q25.72
surgically created (for dialysis) Z99.2
complication see Complication, arteriovenous, fistula, surgically created
traumatic see Injury, blood vessel
artery I77.2
aural (mastoid) see Mastoiditis, chronic
auricle see also Disorder, pinna, specified type NEC
congenital Q18.1
Bartholin's gland N82.8
bile duct (common) (hepatic) K83.3
with calculus, stones K83.3 see also Calculus, bile duct
biliary (tract) see Fistula, bile duct
bladder (sphincter) NEC N32.2 see also Fistula, vesico-
into seminal vesicle N32.2
bone see also Disorder, bone, specified type NEC
with osteomyelitis, chronic see Osteomyelitis, chronic, with draining sinus
brain G93.89
arteriovenous (acquired) I67.1 see also Fistula, arteriovenous, brain
congenital Q28.2
branchial (cleft) Q18.0
branchiogenous Q18.0
breast N61.0
puerperal, postpartum or gestational, due to mastitis (purulent) see Mastitis, obstetric, purulent
bronchial J86.0
bronchocutaneous, bronchomediastinal, bronchopleural, bronchopleuromediastinal (infective) J86.0
tuberculous NEC A15.5
bronchoesophageal J86.0
congenital Q39.2
with atresia of esophagus Q39.1
bronchovisceral J86.0
buccal cavity (infective) K12.2
cecosigmoidal K63.2
cecum K63.2
cerebrospinal (fluid) G96.08
cervical, lateral Q18.1
cervicoaural Q18.1
cervicosigmoidal N82.4
cervicovesical N82.1
cervix N82.8
chest (wall) J86.0
cholecystenteric see Fistula, gallbladder
cholecystocolic see Fistula, gallbladder
cholecystocolonic see Fistula, gallbladder
cholecystoduodenal see Fistula, gallbladder
cholecystogastric see Fistula, gallbladder
cholecystointestinal see Fistula, gallbladder
choledochoduodenal see Fistula, bile duct
cholocolic K82.3
coccyx see Sinus, pilonidal
colon K63.2
colostomy K94.09
colovesical N32.1
common duct see Fistula, bile duct
congenital, site not listed see Anomaly, by site
coronary, arteriovenous I25.41
congenital Q24.5
costal region J86.0
cul-de-sac, Douglas' N82.8
cystic duct see also Fistula, gallbladder
congenital Q44.5
dental K04.6
diaphragm J86.0
duodenum K31.6
ear (external) (canal) see Disorder, ear, external, specified type NEC
enterocolic K63.2
enterocutaneous K63.2
enterouterine N82.4
congenital Q51.7
enterovaginal N82.4
congenital Q52.2
large intestine N82.3
small intestine N82.2
enterovesical N32.1
epididymis N50.89
tuberculous A18.15
esophagobronchial J86.0
congenital Q39.2
with atresia of esophagus Q39.1
esophagocutaneous K22.89
esophagopleural-cutaneous J86.0
esophagotracheal J86.0
congenital Q39.2
with atresia of esophagus Q39.1
esophagus K22.89
congenital Q39.2
with atresia of esophagus Q39.1
ethmoid see Sinusitis, ethmoidal
eyeball (cornea) (sclera) see Disorder, globe, hypotony
eyelid H01.8- Non-billable
fallopian tube, external N82.5
fecal K63.2
congenital Q43.6
from periapical abscess K04.6
frontal sinus see Sinusitis, frontal
gallbladder K82.3
with calculus, cholelithiasis, stones see Calculus, gallbladder
gastric K31.6
gastrocolic K31.6
congenital Q40.2
tuberculous A18.32
gastroenterocolic K31.6
gastroesophageal K31.6
gastrojejunal K31.6
gastrojejunocolic K31.6
genital tract (female) N82.9
specified NEC N82.8
to intestine NEC N82.4
to skin N82.5
hepatic artery-portal vein, congenital Q26.6
hepatopleural J86.0
hepatopulmonary J86.0
ileorectal or ileosigmoidal K63.2
ileovaginal N82.2
ileovesical N32.1
ileum K63.2
in ano K60.30
tuberculous A18.32
inner ear (labyrinth) see subcategory H83.1
intestine NEC K63.2
intestinocolonic (abdominal) K63.2
intestinoureteral N28.89
intestinouterine N82.4
intestinovaginal N82.4
large intestine N82.3
small intestine N82.2
intestinovesical N32.1
ischiorectal (fossa) K61.39
jejunum K63.2
joint M25.10
ankle M25.17- Non-billable
elbow M25.12- Non-billable
foot joint M25.17- Non-billable
hand joint M25.14- Non-billable
hip M25.15- Non-billable
knee M25.16- Non-billable
shoulder M25.11- Non-billable
specified joint NEC M25.18
tuberculous see Tuberculosis, joint
vertebrae M25.18
wrist M25.13- Non-billable
kidney N28.89
labium (majus) (minus) N82.8
labyrinth see subcategory H83.1
lacrimal (gland) (sac) H04.61- Non-billable
lacrimonasal duct see Fistula, lacrimal
laryngotracheal, congenital Q34.8
larynx J38.7
lip K13.0
congenital Q38.0
lumbar, tuberculous A18.01
lung J86.0
lymphatic I89.8
mammary (gland) N61.0
mastoid (process) (region) see Mastoiditis, chronic
maxillary J32.0
medial, face and neck Q18.8
mediastinal J86.0
mediastinobronchial J86.0
mediastinocutaneous J86.0
middle ear see subcategory H74.8
mouth K12.2
nasal J34.89
sinus see Sinusitis
nasopharynx J39.2
nipple N64.0
nose J34.89
oral (cutaneous) K12.2
maxillary J32.0
nasal (with cleft palate) see Cleft, palate
orbit, orbital see Disorder, orbit, specified type NEC
oroantral J32.0
oviduct, external N82.5
palate (hard) M27.8
pancreatic K86.89
pancreaticoduodenal K86.89
parotid (gland) K11.4
region K12.2
penis N48.89
perianal K60.30
pericardium (pleura) (sac) see Pericarditis
pericecal K63.2
perineorectal K60.40
perineosigmoidal K63.2
perineum, perineal (with urethral involvement) NEC N36.0
tuberculous A18.13
ureter N28.89
perirectal K60.40
tuberculous A18.32
peritoneum K65.9
pharyngoesophageal J39.2
pharynx J39.2
branchial cleft (congenital) Q18.0
pilonidal (infected) (rectum) see Sinus, pilonidal
pleura, pleural, pleurocutaneous, pleuroperitoneal J86.0
tuberculous NEC A15.6
pleuropericardial I31.8
portal vein-hepatic artery, congenital Q26.6
postauricular H70.81- Non-billable
postoperative, persistent T81.83 Non-billable
specified site see Fistula, by site
preauricular (congenital) Q18.1
prostate N42.89
pulmonary J86.0
arteriovenous I28.0
congenital Q25.72
tuberculous see Tuberculosis, pulmonary
pulmonoperitoneal J86.0
rectal (infectional) K60.40
complex K60.429
chronic K60.422
initial K60.421
new K60.421
occurring following complete healing K60.423
persistent K60.422
recurrent K60.423
extrasphincteric K60.42- Non-billable
high intersphincteric K60.42- Non-billable
low intersphincteric K60.41- Non-billable
simple K60.419
chronic K60.412
initial K60.411
new K60.411
occurring following complete healing K60.413
persistent K60.412
recurrent K60.413
superficial K60.41- Non-billable
suprasphincteric K60.42- Non-billable
transsphincteric K60.42- Non-billable
rectolabial N82.4
rectosigmoid (intercommunicating) K63.2
rectoureteral N28.89
rectourethral N36.0
congenital Q64.73
rectouterine N82.4
congenital Q51.7
rectovaginal N82.3
congenital Q52.2
tuberculous A18.18
rectovesical N32.1
congenital Q64.79
rectovesicovaginal N82.3
rectovulval N82.4
congenital Q52.79
rectum (to skin) K60.40
congenital Q43.6
with absence, atresia and stenosis Q42.0
tuberculous A18.32
renal N28.89
retroauricular see Fistula, postauricular
salivary duct or gland (any) K11.4
congenital Q38.4
scrotum (urinary) N50.89
tuberculous A18.15
semicircular canals see subcategory H83.1
sigmoid K63.2
to bladder N32.1
sinus see Sinusitis
skin L98.8
to genital tract (female) N82.5
splenocolic D73.89
stercoral K63.2
stomach K31.6
sublingual gland K11.4
submandibular gland K11.4
submaxillary (gland) K11.4
region K12.2
thoracic J86.0
duct I89.8
thoracoabdominal J86.0
thoracogastric J86.0
thoracointestinal J86.0
thorax J86.0
thyroglossal duct Q89.2
thyroid E07.89
trachea, congenital (external) (internal) Q32.1
tracheoesophageal J86.0
congenital Q39.2
with atresia of esophagus Q39.1
following tracheostomy J95.04
traumatic arteriovenous see Injury, blood vessel, by site
tuberculous - code by site under Tuberculosis
typhoid A01.09
umbilicourinary Q64.8
urachus, congenital Q64.4
ureter (persistent) N28.89
ureteroabdominal N28.89
ureterorectal N28.89
ureterosigmoido-abdominal N28.89
ureterovaginal N82.1
ureterovesical N32.2
urethra N36.0
congenital Q64.79
tuberculous A18.13
urethroperineal N36.0
urethroperineovesical N32.2
urethrorectal N36.0
congenital Q64.73
urethroscrotal N50.89
urethrovaginal N82.1
urethrovesical N32.2
urinary (tract) (persistent) (recurrent) N36.0
uteroabdominal N82.5
congenital Q51.7
uteroenteric, uterointestinal N82.4
congenital Q51.7
uterorectal N82.4
congenital Q51.7
uteroureteric N82.1
uterourethral Q51.7
uterovaginal N82.8
uterovesical N82.1
congenital Q51.7
uterus N82.8
vagina (postpartal) (wall) N82.8
vaginocutaneous (postpartal) N82.5
vaginointestinal NEC N82.4
large intestine N82.3
small intestine N82.2
vaginoperineal N82.5
vasocutaneous, congenital Q55.7
vesical NEC N32.2
vesicoabdominal N32.2
vesicocervicovaginal N82.1
vesicocolic N32.1
vesicocutaneous N32.2
vesicoenteric N32.1
vesicointestinal N32.1
vesicometrorectal N82.4
vesicoperineal N32.2
vesicorectal N32.1
congenital Q64.79
vesicosigmoidal N32.1
vesicosigmoidovaginal N82.3
vesicoureteral N32.2
vesicoureterovaginal N82.1
vesicourethral N32.2
vesicourethrorectal N32.1
vesicouterine N82.1
congenital Q51.7
vesicovaginal N82.0
vulvorectal N82.4
congenital Q52.79
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Related Index Terms
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.
