Alphabetic Index FY2027

M41.12

Adolescent idiopathic scoliosis

FY2027Chapter 13: Diseases of the musculoskeletal system and connective tissue/M40–M43 Deforming dorsopathies

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

M41.12 is a non-billable ICD-10-CM code header for adolescent idiopathic scoliosis. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are M41.122 Adolescent idiopathic scoliosis, cervical region; M41.123 Adolescent idiopathic scoliosis, cervicothoracic region; M41.124 Adolescent idiopathic scoliosis, thoracic region; M41.125 Adolescent idiopathic scoliosis, thoracolumbar region and 3 more. Its coding notes include 4 Excludes1 entries and 12 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from M41 Scoliosis
  • 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. Both codes may be reported if the patient has both conditions.

Inherited from M41 Scoliosis
  • postprocedural scoliosis (M96.89)
  • postradiation scoliosis (M96.5)
Also from chapter/block level (10 notes)
Inherited from Chapter 13 Diseases of the musculoskeletal system and connective tissue
  • arthropathic psoriasis (L40.5-)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • compartment syndrome (traumatic) (T79.A-)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Includes

Further defines or gives examples of the content of the category.

Inherited from M41 Scoliosis
  • kyphoscoliosis

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 13 Diseases of the musculoskeletal system and connective tissue
  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

More specific codes under M41.12 7