ICD-10 · PDGM grouping
M41 Scoliosis
All 55 codes in the M41 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in family
55
Can lead a claim
42
Cannot lead a claim
13
What CMS assigns to M41
42 of the 55 codes group to Musculoskeletal Rehabilitation; 13 are assigned no clinical group. None of the 55 is assigned a comorbidity subgroup. 42 of the 55 can lead a claim. CMS attaches a code-first note to 7 of the 55.
Code first
CMS grouper convention 12, on M41.50, M41.52, M41.53, M41.54, M41.55, M41.56, M41.57. Code first:
- underlying disease
Every code in M41
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| M41.0 Infantile idiopathic scoliosis | ||||
| M41.00 | Infantile idiopathic scoliosis, site unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M41.02 | Infantile idiopathic scoliosis, cervical region | Can lead a claim | E | None |
| M41.03 | Infantile idiopathic scoliosis, cervicothoracic region | Can lead a claim | E | None |
| M41.04 | Infantile idiopathic scoliosis, thoracic region | Can lead a claim | E | None |
| M41.05 | Infantile idiopathic scoliosis, thoracolumbar region | Can lead a claim | E | None |
| M41.06 | Infantile idiopathic scoliosis, lumbar region | Can lead a claim | E | None |
| M41.07 | Infantile idiopathic scoliosis, lumbosacral region | Can lead a claim | E | None |
| M41.08 | Infantile idiopathic scoliosis, sacral and sacrococcygeal regionCMS: Infantile idiopathic scoliosis, sacr/sacrocygl region | Can lead a claim | E | None |
| M41.1 Juvenile and adolescent idiopathic scoliosis | ||||
| M41.11 Juvenile idiopathic scoliosis | ||||
| M41.112 | Juvenile idiopathic scoliosis, cervical region | Can lead a claim | E | None |
| M41.113 | Juvenile idiopathic scoliosis, cervicothoracic region | Can lead a claim | E | None |
| M41.114 | Juvenile idiopathic scoliosis, thoracic region | Can lead a claim | E | None |
| M41.115 | Juvenile idiopathic scoliosis, thoracolumbar region | Can lead a claim | E | None |
| M41.116 | Juvenile idiopathic scoliosis, lumbar region | Can lead a claim | E | None |
| M41.117 | Juvenile idiopathic scoliosis, lumbosacral region | Can lead a claim | E | None |
| M41.119 | Juvenile idiopathic scoliosis, site unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M41.12 Adolescent idiopathic scoliosis | ||||
| M41.122 | Adolescent idiopathic scoliosis, cervical region | Can lead a claim | E | None |
| M41.123 | Adolescent idiopathic scoliosis, cervicothoracic region | Can lead a claim | E | None |
| M41.124 | Adolescent idiopathic scoliosis, thoracic region | Can lead a claim | E | None |
| M41.125 | Adolescent idiopathic scoliosis, thoracolumbar region | Can lead a claim | E | None |
| M41.126 | Adolescent idiopathic scoliosis, lumbar region | Can lead a claim | E | None |
| M41.127 | Adolescent idiopathic scoliosis, lumbosacral region | Can lead a claim | E | None |
| M41.129 | Adolescent idiopathic scoliosis, site unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M41.2 Other idiopathic scoliosis | ||||
| M41.20 | Other idiopathic scoliosis, site unspecified | Can lead a claim | E | None |
| M41.22 | Other idiopathic scoliosis, cervical region | Can lead a claim | E | None |
| M41.23 | Other idiopathic scoliosis, cervicothoracic region | Can lead a claim | E | None |
| M41.24 | Other idiopathic scoliosis, thoracic region | Can lead a claim | E | None |
| M41.25 | Other idiopathic scoliosis, thoracolumbar region | Can lead a claim | E | None |
| M41.26 | Other idiopathic scoliosis, lumbar region | Can lead a claim | E | None |
| M41.27 | Other idiopathic scoliosis, lumbosacral region | Can lead a claim | E | None |
| M41.3 Thoracogenic scoliosis | ||||
| M41.30 | Thoracogenic scoliosis, site unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M41.34 | Thoracogenic scoliosis, thoracic region | Can lead a claim | E | None |
| M41.35 | Thoracogenic scoliosis, thoracolumbar region | Can lead a claim | E | None |
| M41.4 Neuromuscular scoliosis | ||||
| M41.40 | Neuromuscular scoliosis, site unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M41.41 | Neuromuscular scoliosis, occipito-atlanto-axial region | Can lead a claim | E | None |
| M41.42 | Neuromuscular scoliosis, cervical region | Can lead a claim | E | None |
| M41.43 | Neuromuscular scoliosis, cervicothoracic region | Can lead a claim | E | None |
| M41.44 | Neuromuscular scoliosis, thoracic region | Can lead a claim | E | None |
| M41.45 | Neuromuscular scoliosis, thoracolumbar region | Can lead a claim | E | None |
| M41.46 | Neuromuscular scoliosis, lumbar region | Can lead a claim | E | None |
| M41.47 | Neuromuscular scoliosis, lumbosacral region | Can lead a claim | E | None |
| M41.5 Other secondary scoliosis | ||||
| M41.50 | Other secondary scoliosis, site unspecified | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| M41.52 | Other secondary scoliosis, cervical region | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| M41.53 | Other secondary scoliosis, cervicothoracic region | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| M41.54 | Other secondary scoliosis, thoracic region | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| M41.55 | Other secondary scoliosis, thoracolumbar region | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| M41.56 | Other secondary scoliosis, lumbar region | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| M41.57 | Other secondary scoliosis, lumbosacral region | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| M41.8 Other forms of scoliosis | ||||
| M41.80 | Other forms of scoliosis, site unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M41.82 | Other forms of scoliosis, cervical region | Can lead a claim | E | None |
| M41.83 | Other forms of scoliosis, cervicothoracic region | Can lead a claim | E | None |
| M41.84 | Other forms of scoliosis, thoracic region | Can lead a claim | E | None |
| M41.85 | Other forms of scoliosis, thoracolumbar region | Can lead a claim | E | None |
| M41.86 | Other forms of scoliosis, lumbar region | Can lead a claim | E | None |
| M41.87 | Other forms of scoliosis, lumbosacral region | Can lead a claim | E | None |
| M41.9 | Scoliosis, unspecified | Can lead a claim | E | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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