2026 ICD-10-CM Diagnosis Code G47.62Sleep related leg cramps

ICD-10-CM Codes›G00–G99›G40-G47›G47

ICD-10-CM G47.62
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

G47.62 is a billable ICD-10-CM diagnosis code for sleep related leg cramps. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). Coders also document this condition as cramp in lower leg. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Sleep wake disorders.

Code Identity

ICD-10-CM Code
G47.62
Billable Status
Yes — Valid for Submission
Code Describes
Sleep related leg cramps
Short Description
Sleep related leg cramps
Same as the full description in the CMS dataset.
Parent Code
G47.6
Sleep related movement disorders

Code Classification

ChapterG00–G99Diseases of the nervous system
SectionG40-G47Episodic and paroxysmal disorders
CategoryG47Sleep disorders
This CodeG47.62Sleep related leg cramps

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Cramp in lower leg
  • Cramp in lower leg associated with rest
  • Cramp in lower limb
  • Cramp in lower limb associated with sleep
  • Nocturnal muscle cramp
  • Nocturnal muscle spasm

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.

    • Cramp(s)
      • leg, sleep related
    • Cramp(s)
      • limb (lower) (upper) NEC
        • sleep related
    • Cramp(s)
      • sleep related, leg

Clinical ClassificationClinical

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

CCSR NVS016
Sleep wake disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Muscle Cramps

Muscle cramps are sudden, involuntary contractions or spasms in one or more of your muscles. They are very common and often occur after exercise. Some people get muscle cramps, especially leg cramps, at night. They can be painful, and they may last a few seconds to several minutes.

The full article covers:

  • What are muscle cramps?
  • What causes muscle cramps?
  • Who is at risk for muscle cramps?
  • When do I need to see a health care provider for muscle cramps?
  • What are the treatments for muscle cramps?
  • Can muscle cramps be prevented?

Read the full article at MedlinePlus

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

Convert G47.62 to ICD-9-CMHistory

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

ICD-9-CM
327.52 Sleep related leg cramps
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 G47.62Overview

Is G47.62 (Sleep related movement disorders) a billable code?

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

What is the ICD-9 equivalent of G47.62?

Under the General Equivalence Mappings, sleep related leg cramps converts to ICD-9-CM 327.52 (sleep related leg cramps). 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.