MCMCB Pro
M87.850

M87.850Other osteonecrosis, pelvis

Billable / specific codeICD-10-CM

M87.850 is a billable, specific ICD-10-CM code for other osteonecrosis, pelvis. It is valid for submission on a claim.

Risk adjustment

M87.850 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.

Medicare coverage

M87.850 is named in 11 Medicare coverage policies 5 listing it as supporting medical necessity, and 6 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A58865Billing 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
  • A59434Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered

How M87.850 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to M87.850.

  • Osteonecrosisspecified type NECilium
  • Osteonecrosisspecified type NECischium
  • Osteonecrosisspecified type NECpubic ramus [pubis]

Related codes at this level

Codes that share M87.85. If M87.850 is not quite right, the correct code is usually one of these.

Questions about M87.850

Is M87.850 a billable ICD-10-CM code?
Yes. M87.850 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does M87.850 sit in the tabular list?
Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Other osteopathies (M86-M90).
ICD-10-CMFY2026-Apr· effective April 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.