M40-M43 — Deforming dorsopathies
ICD-10-CM codes M40-M43 cover deforming dorsopathies, within diseases of the musculoskeletal system and connective tissue. The block holds 187 codes across 4 categories, of which 157 are billable and 30 are header codes that cannot be submitted on a claim.
What else to watch in M40-M43
- 157 codes are named in Medicare coverage policies. An LCD or NCD lists them as supporting medical necessity, or explicitly as not supporting it. Which applies depends on the MAC for your state.