2026 ICD-10-CM Diagnosis Code K62.4Stenosis of anus and rectum

ICD-10-CM Codes›K00–K95›K55-K64›K62

ICD-10-CM K62.4
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

K62.4 is a billable ICD-10-CM diagnosis code for stenosis of anus and rectum. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 393 through 395. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Anal and rectal conditions.

Code Identity

ICD-10-CM Code
K62.4
Billable Status
Yes — Valid for Submission
Code Describes
Stenosis of anus and rectum
Short Description
Stenosis of anus and rectum
Same as the full description in the CMS dataset.
Parent Code
K62
Other diseases of anus and rectum

Code Classification

ChapterK00–K95Diseases of the digestive system
SectionK55-K64Other diseases of intestines
CategoryK62Other diseases of anus and rectum
This CodeK62.4Stenosis of anus and rectum

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Acquired anal stenosis
  • Anorectal stricture
  • Kuess' disease
  • Stenosis of anal canal
  • Stenosis of rectum
  • Stenosis of rectum and anus
  • Stricture of anal canal
  • Stricture of anus
  • Stricture of rectum
  • Stricture of rectum due to radiation

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Stricture of anus (sphincter)

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Obstruction, obstructed, obstructive
      • rectum
    • Occlusion, occluded
      • anus
    • Pectenosis
    • Stenosis, stenotic(cicatricial)
      • anus, anal (canal) (sphincter)
    • Stenosis, stenotic(cicatricial)
      • anus, anal (canal) (sphincter)
        • and rectum
    • Stricture
      • anus (sphincter)
    • Stricture
      • rectum (sphincter)

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR DIG015
Anal and rectal conditions
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Anal Disorders

Your anus is the opening at the end of your large intestine. It is where stool (poop) leaves your body.

The full article covers:

  • What is the anus?
  • What are anal disorders?
  • What are the symptoms of anal disorders?
  • How are anal disorders diagnosed?
  • How are anal disorders treated?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert K62.4 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
569.2 Rectal & anal stenosis
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About K62.4Overview

Is K62.4 (Other diseases of anus and rectum) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report stenosis of anus and rectum on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does K62.4 group to?

When stenosis of anus and rectum is the principal diagnosis on an inpatient stay, it groups to MS-DRG 393, 394, 395, with relative weights from 0.6490 to 1.5993 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of K62.4?

Under the General Equivalence Mappings, stenosis of anus and rectum converts to ICD-9-CM 569.2 (rectal & anal stenosis). The mapping is a direct match.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.