K61.1 – Rectal abscess

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

Billable code

ICD-10-CM code K61.1
Code
K61.1 (claims format: K611)
Description
Rectal abscess
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
K61

Notes for K61.1

Applicable to:
  • Perirectal abscess
Excludes1 (not coded here):

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

Index terms for K61.1

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

Related codes in K61

Frequently asked questions

What is ICD-10 code K61.1?

K61.1 is the ICD-10-CM code for rectal abscess, in the block K55-K64 (Other diseases of intestines).

Is K61.1 a billable code?

Yes. K61.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does K61.1 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.