2026 ICD-10-CM Diagnosis Code M36.2Hemophilic arthropathy

ICD-10-CM CodesM00–M99M30-M36M36

ICD-10-CM M36.2
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M36.2 is a billable ICD-10-CM diagnosis code for hemophilic arthropathy. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 553 through 554. The code is a manifestation code that cannot be reported as the principal diagnosis. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Coagulation and hemorrhagic disorders and Other specified joint disorders.

Code Identity

ICD-10-CM Code
M36.2
Billable Status
Yes — Valid for Submission
Code Describes
Hemophilic arthropathy
Short Description
Hemophilic arthropathy
Same as the full description in the CMS dataset.
Parent Code
Systemic disorders of connective tissue in diseases classified elsewhere

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM30-M36Systemic connective tissue disorders
CategoryM36Systemic disorders of connective tissue in diseases classified elsewhere
This CodeM36.2Hemophilic arthropathy

Code EditsBilling

Medicare Code Editor checks that affect claim validity for M36.2.

Manifestation codes describe the manifestation of an underlying disease, not the disease itself, and therefore should not be used as a principal diagnosis.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Hemophilic arthropathy
  • Hemophilic arthropathy of bilateral ankles
  • Hemophilic arthropathy of bilateral elbows
  • Hemophilic arthropathy of bilateral hips
  • Hemophilic arthropathy of bilateral knees
  • Hemophilic arthropathy of bilateral shoulders
  • Hemophilic arthropathy of bilateral wrists
  • Hemophilic arthropathy of left ankle
  • Hemophilic arthropathy of left elbow
  • Hemophilic arthropathy of left hip
  • Hemophilic arthropathy of left knee
  • Hemophilic arthropathy of left shoulder
  • Hemophilic arthropathy of left wrist
  • Hemophilic arthropathy of right ankle
  • Hemophilic arthropathy of right elbow
  • Hemophilic arthropathy of right hip
  • Hemophilic arthropathy of right knee
  • Hemophilic arthropathy of right shoulder
  • Hemophilic arthropathy of right wrist

Tabular List NotesGuidance

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

Inclusion Terms

  • Hemarthrosis in hemophilic arthropathy

Code First

  • underlying disease, such as:
  • factor VIII deficiency D66
  • with vascular defect D68.0
  • factor IX deficiency D67
  • hemophilia classical D66
  • hemophilia B D67
  • hemophilia C D68.1

Clinical ClassificationClinical

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

CCSR BLD006
Coagulation and hemorrhagic disorders
Default principal diagnosis: inpatient No · outpatient No
CCSR MUS007
Other specified joint disorders
Default principal diagnosis: inpatient No · outpatient No

Patient EducationClinical

Hemophilia

Hemophilia is a rare bleeding disorder in which the blood does not clot properly. This can lead to problems with bleeding too much after an injury or surgery. You can also have sudden bleeding inside your body, such as in your joints, muscles, and organs.

The full article covers:

  • What is hemophilia?
  • What are the types of hemophilia?
  • What causes hemophilia?
  • Who is at risk for hemophilia?
  • What are the symptoms of hemophilia?
  • How is hemophilia diagnosed?
  • What are the treatments for hemophilia?

Read the full article at MedlinePlus

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

Convert M36.2 to ICD-9-CMHistory

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

ICD-9-CM
713.2 Arthropath w hematol dis
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 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About M36.2Overview

Is M36.2 a billable code?

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

What MS-DRG does M36.2 group to?

On inpatient claims, hemophilic arthropathy maps to MS-DRG 553, 554, with relative weights from 0.8301 to 1.2963 depending on complications. Higher weights mean higher Medicare reimbursement.

Can M36.2 be a principal diagnosis?

No. This is a manifestation code: hemophilic arthropathy describes the manifestation of an underlying disease rather than the disease itself, so the underlying condition is sequenced first.

What is the ICD-9 equivalent of M36.2?

Under the General Equivalence Mappings, hemophilic arthropathy converts to ICD-9-CM 713.2 (arthropath w hematol dis). The mapping is approximate, so confirm the match fits the documentation.

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.