2026 ICD-10-CM Diagnosis Code G72.81Critical illness myopathy

ICD-10-CM Codes›G00–G99›G70-G73›G72

ICD-10-CM G72.81
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

G72.81 is a billable ICD-10-CM diagnosis code for critical illness myopathy. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Myopathies.

Code Identity

ICD-10-CM Code
G72.81
Billable Status
Yes — Valid for Submission
Code Describes
Critical illness myopathy
Short Description
Critical illness myopathy
Same as the full description in the CMS dataset.
Parent Code
G72.8
Other specified myopathies

Code Classification

ChapterG00–G99Diseases of the nervous system
SectionG70-G73Diseases of myoneural junction and muscle
CategoryG72Other and unspecified myopathies
This CodeG72.81Critical illness myopathy

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Critical illness myopathy

Tabular List NotesGuidance

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

Inclusion Terms

  • Acute necrotizing myopathy
  • Acute quadriplegic myopathy
  • Intensive care (ICU) myopathy
  • Myopathy of critical illness

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.

    • Myopathy
      • acute
        • necrotizing
    • Myopathy
      • acute
        • quadriplegic
    • Myopathy
      • critical illness
    • Myopathy
      • intensive care (ICU)
    • Myopathy
      • of critical illness

Clinical ClassificationClinical

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

CCSR NVS018
Myopathies
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Muscle Disorders

Your muscles help you move and help your body work. Different types of muscles have different jobs. There are many problems that can affect muscles. Muscle disorders can cause weakness, pain or even paralysis.

Read the full article at MedlinePlus

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

Convert G72.81 to ICD-9-CMHistory

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

ICD-9-CM
359.81 Critical illness myopthy
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 G72.81Overview

Is G72.81 (Other specified myopathies) a billable code?

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

What is the ICD-9 equivalent of G72.81?

Under the General Equivalence Mappings, critical illness myopathy converts to ICD-9-CM 359.81 (critical illness myopthy). 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.