ICD-10 Code G56.42 – Causalgia of left upper limb (2026): Diagnosis, Symptoms & Billing Guide
The ICD-10 code for Causalgia of left upper limb is G56.42.2026 ICD-10-CM Diagnosis Code G56.42 – Causalgia of left upper limb Related ICD-10 Codes Parent code: G56 – Mononeuropathies of upper limb Other codes in same category: G56.0 – Carpal tunnel syndrome, G56.00 – Carpal tunnel syndrome, unspecified upper limb, G56.01 – Carpal tunnel syndrome,…