M40.0 vs M42.0
M40.0 (Postural kyphosis) compared with M42.0 (Juvenile osteochondrosis of spine), 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. M40.0 carries an Excludes1 note covering M42.0: “osteochondrosis of spine (M42.-)”
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. M42.0 carries an Excludes1 note covering M40.0: “postural kyphosis (M40.0)”
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
| M40.0Postural kyphosis | M42.0Juvenile osteochondrosis of spine | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) |
| Definition | Postural kyphosis is a non-billable ICD-10-CM category code (M40.0). | Juvenile osteochondrosis of spine is a non-billable ICD-10-CM category code (M42.0). |
| Includes | — | Calvé's disease Scheuermann's disease |
| Code first | underlying disease | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources