M43 vs Q76.4
M43 (Other deforming dorsopathies) compared with Q76.4 (Other congenital malformations of spine, not associated with scoliosis), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. M43 carries an Excludes1 note covering Q76.4: “hemivertebra (Q76.3-Q76.4)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. M43 carries an Excludes1 note covering Q76.4: “lumbarization and sacralization (Q76.4)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. M43 carries an Excludes1 note covering Q76.4: “platyspondylisis (Q76.4)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| M43Other deforming dorsopathies | Q76.4Other congenital malformations of spine, not associated with scoliosis | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) | Q00-Q99 — Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99) |
| Definition | Other deforming dorsopathies is a non-billable ICD-10-CM category code (M43). | Other congenital malformations of spine, not associated with scoliosis is a non-billable ICD-10-CM category code (Q76.4). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources