K60.529 – Anorectal fistula, complex, unspecified

ICD-10-CM 2027 diagnosis code · Other diseases of intestines

Billable code

ICD-10-CM code K60.529

Code: K60.529 (claims format: K60529)
Description: Anorectal fistula, complex, unspecified
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 11. Diseases of the digestive system (K00-K95)
Block: K55-K64 Other diseases of intestines
Parent codes: K60 › K60.5 › K60.52

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

K60 – Fissure and fistula of anal and rectal regions

Excludes2 (not included here):

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

K60.5 – Anorectal fistula

Excludes1 (not coded here):

congenital fistula (Q43.6)

Code first:

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

K60.52 – Anorectal fistula, complex

Applicable to:

Extrasphincteric anorectal fistula
High intersphincteric anorectal fistula
Suprasphincteric anorectal fistula
Transsphincteric anorectal fistula

Code also:

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

Index terms for K60.529

Entries in the ICD-10-CM alphabetic index that lead to this code:

Fistula, anorectal, complex

Related codes in K60.52

K60.521 – Anorectal fistula, complex, initialBillable
K60.522 – Anorectal fistula, complex, persistentBillable
K60.523 – Anorectal fistula, complex, recurrentBillable

Frequently asked questions

What is ICD-10 code K60.529?

K60.529 is the ICD-10-CM code for anorectal fistula, complex, unspecified, in the block K55-K64 (Other diseases of intestines).

Is K60.529 a billable code?

Yes. K60.529 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does K60.529 belong to?

It belongs to category K60 – Fissure and fistula of anal and rectal regions.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.