MCMCB Pro
M87.050

M87.050Idiopathic aseptic necrosis of pelvis

Billable / specific codeICD-10-CM

M87.050 is a billable, specific ICD-10-CM code for idiopathic aseptic necrosis of pelvis. It is valid for submission on a claim.

Risk adjustment

M87.050 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

M87.050 is named in 14 Medicare coverage policies 8 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 M87.050 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 M87.050.

  • Osteonecrosisidiopathic asepticilium
  • Osteonecrosisidiopathic asepticischium
  • Osteonecrosisidiopathic asepticpelvis
  • Osteonecrosisidiopathic asepticpubic ramus [pubis]

Related codes at this level

Codes that share M87.05. If M87.050 is not quite right, the correct code is usually one of these.

Questions about M87.050

Is M87.050 a billable ICD-10-CM code?
Yes. M87.050 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does M87.050 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.