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ICD-10-CM Diagnosis Code F40.240
Diagnosis Code: F40.240 (Raw: F40240)
Description: Claustrophobia
Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)
Fiscal Year: 2026
CMS Section 111 Status: Valid for reporting (Excluded from No-Fault liability reporting).
Overview & Clinical Details
ICD-10-CM code F40.240 is designated for Claustrophobia. 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.