K60.321

Anal fistula, complex, initial

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · K60.321

Synonyms

Anal fistula, complex, new

Inherited from K60.32Anal fistula, complex

Code also

, if applicable: perianal abscess (K61.0) rectovaginal fistula (N82.3) stenosis of anus and rectum (K62.4)

Synonyms

Extrasphincteric anal fistula High intersphincteric anal fistula Suprasphincteric anal fistula Transsphincteric anal fistula

Inherited from K60.3Anal fistula

Excludes 1

congenital fistula (Q43.6)

Code first

, if applicable: Crohn's disease (K50.-) ulcerative colitis (K51.-)

Inherited from K60Fissure and fistula of anal and rectal regions

Excludes 2

abscess or cellulitis of anal and rectal regions (K61.-) anal sphincter tear (healed) (nontraumatic) (old) (K62.81)

Inherited from chapter 11Diseases of the digestive system

Excludes 2

certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Official Guidelines for K60.321

FY 2026 ›

I.C.11Chapter-specific guidanceChapter 11: Diseases of the Digestive System (K00-K95)

Find K60.321 in the alphabetic index

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