ICD-10 Code G32.0 – Subacute combined degeneration of spinal cord in diseases classified elsewhere (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code G32.0 – Subacute combined degeneration of spinal cord in diseases classified elsewhere
What it is
This code identifies subacute combined degeneration of the spinal cord when it occurs as a manifestation of another disease. It usually reflects damage to the spinal cord’s posterior and lateral columns, often linked to an underlying condition such as vitamin B12 deficiency.
Clinical signs
Typical findings include gait disturbance, sensory loss, impaired vibration or position sense, and weakness. Clinical features vary; refer to documentation for the specific neurologic deficits and the underlying cause.
When to use this code
Use G32.0 when the record documents subacute combined degeneration of the spinal cord and states it is due to another disease. You should also code the underlying condition when it is identified. Apply this code when the provider links the spinal cord findings to a secondary cause rather than a primary spinal disorder.
Do not use for
Do not use this code for nonspecific myelopathy, isolated peripheral neuropathy, or spinal cord disease without documented subacute combined degeneration. If the cause or diagnosis is unclear, check documentation.
Coding tip
Always verify the causal disease and sequence codes to reflect both the neurologic manifestation and the underlying condition.