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H50.642

H50.642: Lateral rectus muscle entrapment, left eye

Billable / specific codeICD-10-CMleft

H50.642 is a billable, specific ICD-10-CM code for lateral rectus muscle entrapment, left eye. It is valid for submission on a claim.

Check H50.642 with the rest of the claim: free scrubber

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

H50.642 is named in 14 Medicare coverage policies: 14 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56619Billing and Coding: Nerve Conduction Studies and Electromyography
  • A56729Billing and Coding: Magnetic Resonance Imaging of the Head and Neck
  • A57185Billing and Coding: Botulinum Toxin Injections
  • A57186Billing and Coding: Botulinum Toxin Injections

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under H50.64

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.