All ICD10 Codes

K61

Non-Billable
ChapterK00–K95
Rankcategory
Official Description

Abscess of anal and rectal regions

Use a more specific code (5 billable, 1 non-billable)
K61.0Anal abscessK61.1Rectal abscessK61.2Anorectal abscessK61.3Ischiorectal abscesshas subcodesK61.4Intrasphincteric abscessK61.5Supralevator abscess
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 11: Diseases of the Digestive System (K00-K95).

CH11 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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)

Instructional Notes

Includes
  • abscess of anal and rectal regions
  • cellulitis of anal and rectal regions

Clinical Hierarchy

BillableHas subcodes
CH11Diseases of the digestive system (K00-K95)
K55-K64Other diseases of intestines (K55-K64)
K61Abscess of anal and rectal regionsNot billable
K61.0Anal abscessBillable
K61.1Rectal abscessBillable
K61.2Anorectal abscessBillable
K61.3Ischiorectal abscessSubcodes
K61.4Intrasphincteric abscessBillable
K61.5Supralevator abscessBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K61:

chapterCH11
Diseases of the digestive system (K00-K95)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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