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ICD-10 Code H50.639 - Inferior rectus muscle entrapment, unspecified eye

Reviewed by Medicinsk Expert•Last updated: 2026-10-22•ICD Codes

ICD-10-CM Diagnosis Code H50.639

Diagnosis Code: H50.639 (Raw: H50639)

Description: Inferior rectus muscle entrapment, unspecified eye

Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting.

Overview & Clinical Details

ICD-10-CM code H50.639 is designated for Inferior rectus muscle entrapment, unspecified eye. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.

Source: MedlinePlus, National Library of Medicine

MedlinePlus brings together authoritative health information from the National Library of Medicine (NLM), the National Institutes of Health (NIH), and other government agencies and health-related organizations.