M41.126 – Adolescent idiopathic scoliosis, lumbar region

ICD-10-CM 2027 diagnosis code · Deforming dorsopathies

Billable code

ICD-10-CM code M41.126

Code: M41.126 (claims format: M41126)
Description: Adolescent idiopathic scoliosis, lumbar region
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
Block: M40-M43 Deforming dorsopathies
Parent codes: M41 › M41.1 › M41.12

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

M41 – Scoliosis

Includes:

kyphoscoliosis

Excludes1 (not coded here):

congenital scoliosis NOS (Q67.5)
congenital scoliosis due to bony malformation (Q76.3)
postural congenital scoliosis (Q67.5)
kyphoscoliotic heart disease (I27.1)

Excludes2 (not included here):

postprocedural scoliosis (M96.89)
postradiation scoliosis (M96.5)

Index terms for M41.126

Entries in the ICD-10-CM alphabetic index that lead to this code:

Scoliosis, idiopathic, adolescent, lumbar region

Related codes in M41.12

Frequently asked questions

What is ICD-10 code M41.126?

M41.126 is the ICD-10-CM code for adolescent idiopathic scoliosis, lumbar region, in the block M40-M43 (Deforming dorsopathies).

Is M41.126 a billable code?

Yes. M41.126 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does M41.126 belong to?

It belongs to category M41 – Scoliosis.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.