MCMedicalCodingSoftware
M46.25

M46.25: Osteomyelitis of vertebra, thoracolumbar region

Billable / specific codeICD-10-CM

M46.25 is a billable, specific ICD-10-CM code for osteomyelitis of vertebra, thoracolumbar region. It is valid for submission on a claim.

Check M46.25 with the rest of the claim: free scrubber

Other codes that can never be billed with M46.25

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • G55Nerve root and plexus compressions in diseases classified elsewhere

Risk adjustment

M46.25 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 92 Bone/Joint/Muscle/Severe Soft Tissue Infections/Necrosis0.479 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.

Medicare coverage

M46.25 is named in 10 Medicare coverage policies: 3 listing it as supporting medical necessity, and 7 listing it as NOT covered. Which one applies depends on your Medicare contractor.

  • A58865Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
  • A58883Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
  • A58893Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
  • A59374Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered

Alphabetic index entries that lead here

  • Osteomyelitis›vertebra›thoracolumbar region

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under M46.2

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.