ICD-10-CM K61: Abscess of anal and rectal regions

ICD-10-CM Diagnosis Code (2025)

Official Description for K61

Abscess of anal and rectal regions

Coding Notes & Guidelines for K61

Includes Notes
  • abscess of anal and rectal regions
  • cellulitis of anal and rectal regions
Excludes1: Not Coded Here

ischiorectal abscess (K61.39)

Excludes2: Not Included Here

intrasphincteric abscess (K61.4)

Inclusion Terms

Perianal abscess

Inclusion Terms

Perirectal abscess

Inclusion Terms
  • Abscess of ischiorectal fossa
  • Ischiorectal abscess, NOS
Inclusion Terms

Intersphincteric abscess

Child Codes (More Specific Codes for K61):

K61.0 - Anal abscess K61.1 - Rectal abscess K61.2 - Anorectal abscess K61.3 - Ischiorectal abscess K61.31 - Horseshoe abscess K61.39 - Other ischiorectal abscess K61.4 - Intrasphincteric abscess K61.5 - Supralevator abscess

About ICD-10-CM Code K61 (Abscess of anal and rectal regions)

ICD-10-CM code K61 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM K61 became effective on October 1, 2024.

This page provides detailed information about K61 - Abscess of anal and rectal regions. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Abscess of anal and rectal regions.