K61.3 – Ischiorectal abscess
ICD-10-CM 2027 diagnosis code · Other diseases of intestines
ICD-10-CM code
K61.3
- Code
K61.3(claims format:K613)- Description
- Ischiorectal abscess
- Billable
- No – use a more specific code below
- 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
- K61
Billable codes under K61.3
K61.3 is a header code and cannot be used on claims. Choose the most specific code:
- K61.31 – Horseshoe abscessBillable
- K61.39 – Other ischiorectal abscessBillable
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
K61 – Abscess of anal and rectal regions
Includes:
- abscess of anal and rectal regions
- cellulitis of anal and rectal regions
Related codes in K61
- K61.0 – Anal abscessBillable
- K61.1 – Rectal abscessBillable
- K61.2 – Anorectal abscessBillable
- K61.4 – Intrasphincteric abscessBillable
- K61.5 – Supralevator abscessBillable
Frequently asked questions
What is ICD-10 code K61.3?
K61.3 is the ICD-10-CM code for ischiorectal abscess, in the block K55-K64 (Other diseases of intestines).
Is K61.3 a billable code?
No. K61.3 is a header code with more specific child codes; report one of the billable codes listed above.
What category does K61.3 belong to?
It belongs to category K61 – Abscess 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.