2027 ICD-10-CM Diagnosis Code K62.7Radiation proctitis

ICD-10-CM Codes›K00–K95›K55-K64›K62

ICD-10-CM K62.7
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

K62.7 is a billable ICD-10-CM diagnosis code for radiation proctitis. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 393 through 395. Coders also document this condition as acute inflammation of intestine caused by ionizing radiation. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Anal and rectal conditions.

Code Identity

ICD-10-CM Code
K62.7
Billable Status
Yes — Valid for Submission
Code Describes
Radiation proctitis
Short Description
Radiation proctitis
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 CodeK62.7Radiation proctitis

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Acute inflammation of intestine caused by ionizing radiation
  • Acute proctitis
  • Acute radiation proctitis
  • Chronic inflammation of intestine caused by ionizing radiation
  • Chronic radiation proctitis
  • Perforating inflammation of rectum caused by ionizing radiation
  • Perforation of rectum
  • Radiation proctitis

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to K62.7: its own notes plus those printed at K62 and Chapter 11. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

From K62 Other diseases of anus and rectum applies to 12 codes
  • anal canal

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From K62 Other diseases of anus and rectum applies to 12 codes
From Chapter 11 (K00-K95) Diseases of the digestive system applies to 863 codes
  • 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)

Use Additional Code

Add a second code, after this one, to fully describe the condition.

  • code to identify the type of radiation (W88.-)
  • or radiation therapy (Y84.2)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name K62.7, its category, or a range that includes it.

Excludes2 1

These codes carry an Excludes2 note naming K62.7: its condition is not part of those codes, and both may be reported when the patient has both.

  • K91 Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified
    radiation proctitis (K62.7)

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

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

Radiation Therapy

Radiation therapy is a cancer treatment. It uses high doses of radiation to kill cancer cells and stop them from spreading. It may also be used for easing cancer symptoms. Radiation therapy may damage healthy cells. They can usually repair themselves more easily than cancer cells.

The full article covers:

  • What is radiation therapy?
  • When is radiation therapy used for cancer treatment?
  • How is radiation therapy given?
  • What are the side effects of radiation therapy?

Read the full article at MedlinePlus

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

Convert K62.7 to ICD-9-CMHistory

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

ICD-9-CM
569.49 Rectal & anal dis NEC
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About K62.7Overview

What is the ICD-10 code for radiation proctitis?

The ICD-10-CM code for radiation proctitis is K62.7 (sometimes written as K627). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is K62.7 (Other diseases of anus and rectum) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report radiation proctitis on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does K62.7 group to?

When radiation proctitis is the principal diagnosis on an inpatient stay, it groups to MS-DRG 394, 395, 393, with relative weights from 0.6379 to 1.5877 depending on complications. Higher weights mean higher Medicare reimbursement.

Does K62.7 need an additional code?

When the condition applies, yes. The Use Additional Code note reads: code to identify the type of radiation (W88.-); or radiation therapy (Y84.2). The additional code is reported after K62.7.

What is the ICD-9 equivalent of K62.7?

Under the General Equivalence Mappings, radiation proctitis converts to ICD-9-CM 569.49 (rectal & anal dis NEC). The mapping is approximate, so confirm the match fits the documentation.