ICD-10 M41.05
Billable / SpecificInfantile idiopathic scoliosis, thoracolumbar region
About ICD-10-CM M41.05
ICD-10-CM code M41.05 represents Infantile idiopathic scoliosis, thoracolumbar region. This is a billable/specific code in the Musculoskeletal and Connective Tissue chapter (block M41). The 2026 edition of ICD-10-CM M41.05 became effective on October 1, 2025.
Medicare LCD Coverage for M41.05
Local Coverage Determinations (LCDs) from CMS MACs that list M41.05 as a covered diagnosis.
Showing top 10 of 316 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing M41.05.
2 Cigna
5 Medicare
CPT Codes Commonly Billed with M41.05
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 22630 CMS LCD: Billing and Coding: Lumbar Spinal Fusion CMS LCD
- 22533 CMS LCD: Billing and Coding: Lumbar Spinal Fusion CMS LCD
- 22612 CMS LCD: Billing and Coding: Lumbar Spinal Fusion CMS LCD
- 22558 CMS LCD: Billing and Coding: Lumbar Spinal Fusion CMS LCD
- 22633 CMS LCD: Billing and Coding: Lumbar Spinal Fusion CMS LCD
Convert M41.05 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| M41.05 | 73731 | 10000 |
| M41.05 | 73732 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To M41.05
Other codes in section M40-M43 (Deforming dorsopathies).
ICD-10 M41.05, Billing FAQ
Is ICD-10 code M41.05 billable? +
Yes, M41.05 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What CPT codes are commonly billed with M41.05? +
Procedures frequently paired with M41.05 include: 22630, 22533, 22612, 22558, 22633.
What ICD-9 codes does M41.05 map to? +
Per CMS GEMs, M41.05 maps to ICD-9 codes: 73731, 73732. Useful for legacy data review and historical claim analysis.
Get the full PayerReady toolkit
Free access to CPT/ICD-10 lookup, denial appeals, fee comparator, and claim auditing with credentialing enrollment.
Start free →Run this code through our claim audit tool
Check NCCI bundling, MUE limits, and modifier logic before submission.
Try the auditor →Did this page help?
Quick signal so we know what to improve.
If you want a code reference page that doesn't exist yet, email coding@payerready.com.
Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.
Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team