ICD-10-CM > M00-M99 > M50-M54 > M50 > M50.1 > M50.12 > M50.121 M50.121 Cervical disc disorder at C4-C5 level with radiculopathy Billable/Specific Copy Code Copy Description Applicable To C4-C5 disc disorder with radiculopathyC5 radiculopathy due to disc disorder