Is ICD-10-CM code K61 billable?

No, K61 (Abscess of anal and rectal regions) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code K61 belong to?

K61 belongs to Chapter 11 of the ICD-10-CM tabular list: K00–K95 (Diseases of the Digestive System).

K61

Non-Billable

ChapterK00–K95

Rankcategory

Description

Abscess of anal and rectal regions

About ICD-10-CM code K61

Abscess of anal and rectal regions is classified in ICD-10-CM as code K61, part of K00-K95 Diseases of the Digestive System, within Other diseases of intestines (K55-K64). Its status is non-billable, meaning reporting it requires a deeper, more specific code.

Use a more specific code (5 billable, 1 non-billable)

K61.0Anal abscess K61.1Rectal abscess K61.2Anorectal abscess K61.3Ischiorectal abscesshas subcodes K61.4Intrasphincteric abscess K61.5Supralevator 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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