ICD-10 Code for Fistula
Also indexed as (cutaneous)
The ICD-10-CM code for fistula is L98.8 — Other specified disorders of the skin and subcutaneous tissue. This is the code the Alphabetic Index gives for fistula with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
BillableUnspecified
L98.8 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.
Which fistula code should you use?
The Alphabetic Index lists 135 codes under Fistula. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.
By type
| abdomen | K63.2 | Fistula of intestine | |
| abdominorectal | K63.2 | Fistula of intestine | |
| abdominosigmoidal | K63.2 | Fistula of intestine | |
| abdominothoracic | J86.0 | Pyothorax with fistula | |
| abdominouterine | N82.5 | Female genital tract-skin fistulae | |
| abdominovesical | N32.2 | Vesical fistula, not elsewhere classified | |
| alveolar process | K04.6 | Periapical abscess with sinus | |
| anorectal | K60.50 | Anorectal fistula, unspecified | |
| anus, anal | K60.30 | Anal fistula, unspecified | |
| aorta-duodenal | I77.2 | Rupture of artery | |
| appendix, appendicular | K38.3 | Fistula of appendix | |
| arteriovenous | I77.0 | Arteriovenous fistula, acquired | |
| artery | I77.2 | Rupture of artery | |
| Bartholin's gland | N82.8 | Other female genital tract fistulae | |
| bile duct | K83.3 | Fistula of bile duct | |
| bladderNEC | N32.2 | Vesical fistula, not elsewhere classified | |
| brain | G93.89 | Other specified disorders of brain | |
| branchial | Q18.0 | Sinus, fistula and cyst of branchial cleft | |
| branchiogenous | Q18.0 | Sinus, fistula and cyst of branchial cleft | |
| breast | N61.0 | Mastitis without abscess | |
| bronchial | J86.0 | Pyothorax with fistula | |
| bronchocutaneous, bronchomediastinal, bronchopleural, bronchopleuromediastinal | J86.0 | Pyothorax with fistula | |
| bronchoesophageal | J86.0 | Pyothorax with fistula | |
| bronchovisceral | J86.0 | Pyothorax with fistula | |
| buccal cavity | K12.2 | Cellulitis and abscess of mouth | |
| cecosigmoidal | K63.2 | Fistula of intestine | |
| cecum | K63.2 | Fistula of intestine | |
| cerebrospinal | G96.08 | Other cranial cerebrospinal fluid leak | |
| cervical, lateral | Q18.1 | Preauricular sinus and cyst | |
| cervicoaural | Q18.1 | Preauricular sinus and cyst | |
| cervicosigmoidal | N82.4 | Other female intestinal-genital tract fistulae | |
| cervicovesical | N82.1 | Other female urinary-genital tract fistulae | |
| cervix | N82.8 | Other female genital tract fistulae | |
| chest | J86.0 | Pyothorax with fistula | |
| cholocolic | K82.3 | Fistula of gallbladder | |
| colon | K63.2 | Fistula of intestine | |
| colostomy | K94.09 | Other complications of colostomy | |
| colovesical | N32.1 | Vesicointestinal fistula | |
| coronary, arteriovenous | I25.41 | Coronary artery aneurysm | |
| costal region | J86.0 | Pyothorax with fistula | |
| cul-de-sac, Douglas' | N82.8 | Other female genital tract fistulae | |
| dental | K04.6 | Periapical abscess with sinus | |
| diaphragm | J86.0 | Pyothorax with fistula | |
| duodenum | K31.6 | Fistula of stomach and duodenum | |
| enterocolic | K63.2 | Fistula of intestine | |
| enterocutaneous | K63.2 | Fistula of intestine | |
| enterouterine | N82.4 | Other female intestinal-genital tract fistulae | |
| enterovaginal | N82.4 | Other female intestinal-genital tract fistulae | |
| enterovesical | N32.1 | Vesicointestinal fistula | |
| epididymis | N50.89 | Other specified disorders of the male genital organs | |
| esophagobronchial | J86.0 | Pyothorax with fistula | |
| esophagocutaneous | K22.89 | Other specified disease of esophagus | |
| esophagopleural-cutaneous | J86.0 | Pyothorax with fistula | |
| esophagotracheal | J86.0 | Pyothorax with fistula | |
| esophagus | K22.89 | Other specified disease of esophagus | |
| eyelid | H01.8 | Other specified inflammations of eyelid | not billable |
| fallopian tube, external | N82.5 | Female genital tract-skin fistulae | |
| fecal | K63.2 | Fistula of intestine | |
| from periapical abscess | K04.6 | Periapical abscess with sinus | |
| gallbladder | K82.3 | Fistula of gallbladder | |
| gastric | K31.6 | Fistula of stomach and duodenum | |
| gastrocolic | K31.6 | Fistula of stomach and duodenum | |
| gastroenterocolic | K31.6 | Fistula of stomach and duodenum | |
| gastroesophageal | K31.6 | Fistula of stomach and duodenum | |
| gastrojejunal | K31.6 | Fistula of stomach and duodenum | |
| gastrojejunocolic | K31.6 | Fistula of stomach and duodenum | |
| genital tract | N82.9 | Female genital tract fistula, unspecified | |
| hepatic artery-portal vein, congenital | Q26.6 | Portal vein-hepatic artery fistula | |
| hepatopleural | J86.0 | Pyothorax with fistula | |
| hepatopulmonary | J86.0 | Pyothorax with fistula | |
| ileorectal or ileosigmoidal | K63.2 | Fistula of intestine | |
| ileovaginal | N82.2 | Fistula of vagina to small intestine | |
| ileovesical | N32.1 | Vesicointestinal fistula | |
| ileum | K63.2 | Fistula of intestine | |
| in ano | K60.30 | Anal fistula, unspecified | |
| intestine NEC | K63.2 | Fistula of intestine | |
| intestinocolonic | K63.2 | Fistula of intestine | |
| intestinoureteral | N28.89 | Other specified disorders of kidney and ureter | |
| intestinouterine | N82.4 | Other female intestinal-genital tract fistulae | |
| intestinovaginal | N82.4 | Other female intestinal-genital tract fistulae | |
| intestinovesical | N32.1 | Vesicointestinal fistula | |
| ischiorectal | K61.39 | Other ischiorectal abscess | |
| jejunum | K63.2 | Fistula of intestine | |
| joint | M25.10 | Fistula, unspecified joint | |
| kidney | N28.89 | Other specified disorders of kidney and ureter | |
| labium | N82.8 | Other female genital tract fistulae | |
| lacrimal | H04.61 | Lacrimal fistula | not billable |
| laryngotracheal, congenital | Q34.8 | Other specified congenital malformations of respiratory system | |
| larynx | J38.7 | Other diseases of larynx | |
| lip | K13.0 | Diseases of lips | |
| lumbar, tuberculous | A18.01 | Tuberculosis of spine | |
| lung | J86.0 | Pyothorax with fistula | |
| lymphatic | I89.8 | Other specified noninfective disorders of lymphatic vessels and lymph nodes | |
| mammary | N61.0 | Mastitis without abscess | |
| maxillary | J32.0 | Chronic maxillary sinusitis | |
| medial, face and neck | Q18.8 | Other specified congenital malformations of face and neck | |
| mediastinal | J86.0 | Pyothorax with fistula | |
| mediastinobronchial | J86.0 | Pyothorax with fistula | |
| mediastinocutaneous | J86.0 | Pyothorax with fistula | |
| mouth | K12.2 | Cellulitis and abscess of mouth | |
| nasal | J34.89 | Other specified disorders of nose and nasal sinuses | |
| nasopharynx | J39.2 | Other diseases of pharynx | |
| nipple | N64.0 | Fissure and fistula of nipple | |
| nose | J34.89 | Other specified disorders of nose and nasal sinuses | |
| oral | K12.2 | Cellulitis and abscess of mouth | |
| oroantral | J32.0 | Chronic maxillary sinusitis | |
| oviduct, external | N82.5 | Female genital tract-skin fistulae | |
| palate | M27.8 | Other specified diseases of jaws | |
| pancreatic | K86.89 | Other specified diseases of pancreas | |
| pancreaticoduodenal | K86.89 | Other specified diseases of pancreas | |
| parotid | K11.4 | Fistula of salivary gland | |
| penis | N48.89 | Other specified disorders of penis | |
| perianal | K60.30 | Anal fistula, unspecified | |
| pericecal | K63.2 | Fistula of intestine | |
| perineorectal | K60.40 | Rectal fistula, unspecified | |
| perineosigmoidal | K63.2 | Fistula of intestine | |
| perineum, perinealNEC | N36.0 | Urethral fistula | |
| perirectal | K60.40 | Rectal fistula, unspecified | |
| peritoneum | K65.9 | Peritonitis, unspecified | |
| pharyngoesophageal | J39.2 | Other diseases of pharynx |
Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources