ICD-10 M46.49
Billable / SpecificDiscitis, unspecified, multiple sites in spine
About ICD-10-CM M46.49
ICD-10-CM code M46.49 represents Discitis, unspecified, multiple sites in spine. This is a billable/specific code in the Musculoskeletal and Connective Tissue chapter (block M46). The 2026 edition of ICD-10-CM M46.49 became effective on October 1, 2025.
Medicare LCD Coverage for M46.49
Local Coverage Determinations (LCDs) from CMS MACs that list M46.49 as a covered diagnosis.
Showing top 10 of 309 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing M46.49.
1 Cigna
5 Medicare
CPT Codes Commonly Billed with M46.49
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 78459 CMS LCD: Billing and Coding: Positron Emission Tomography (PET) Scan for Inflammation and Infection CMS LCD
- 78429 CMS LCD: Billing and Coding: Positron Emission Tomography (PET) Scan for Inflammation and Infection CMS LCD
- 78432 CMS LCD: Billing and Coding: Positron Emission Tomography (PET) Scan for Inflammation and Infection CMS LCD
- 78433 CMS LCD: Billing and Coding: Positron Emission Tomography (PET) Scan for Inflammation and Infection CMS LCD
Convert M46.49 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 |
|---|---|---|
| M46.49 | 72290 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To M46.49
Other codes in section M45-M49 (Spondylopathies).
ICD-10 M46.49, Billing FAQ
Is ICD-10 code M46.49 billable? +
Yes, M46.49 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 M46.49? +
Procedures frequently paired with M46.49 include: 78459, 78429, 78432, 78433.
What ICD-9 codes does M46.49 map to? +
Per CMS GEMs, M46.49 maps to ICD-9 codes: 72290. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 16, 2026.
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