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M41.9 — Scoliosis, unspecified
M41.9
What this code means
Scoliosis is a sideways curvature of the spine, most often appearing in adolescence; type not specified here.
Also called: scoliosis, curvature of the spine.
When this code is used
Used for scoliosis, unspecified.
Where it sits in ICD-10-CM
Code M41.9 belongs to Chapter 13: Diseases of the musculoskeletal system and connective tissue, which covers codes M00–M99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Related symptoms
Watch: related videos
Frequently asked questions
What is ICD-10-CM code M41.9?
M41.9 is the ICD-10-CM diagnosis code for “Scoliosis, unspecified”. Scoliosis is a sideways curvature of the spine, most often appearing in adolescence; type not specified here.
When is code M41.9 used?
Used for scoliosis, unspecified. It belongs to Chapter 13 of ICD-10-CM (Diseases of the musculoskeletal system and connective tissue).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.