MCMCB Pro
M91.0

M91.0Juvenile osteochondrosis of pelvis

Billable / specific codeICD-10-CM

M91.0 is a billable, specific ICD-10-CM code for juvenile osteochondrosis of pelvis. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Osteochondrosis (juvenile) of acetabulum
  • Osteochondrosis (juvenile) of iliac crest [Buchanan]
  • Osteochondrosis (juvenile) of ischiopubic synchondrosis [van Neck]
  • Osteochondrosis (juvenile) of symphysis pubis [Pierson]

Risk adjustment

M91.0 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

M91.0 is named in 8 Medicare coverage policies 2 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 M91.0 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 M91.0.

  • Buchanan's disease or osteochondrosis
  • Pierson's disease or osteochondrosis
  • Van Neck's disease or osteochondrosis
  • Osteochondrosisacetabulum(juvenile)
  • OsteochondrosisBuchanan's
  • Osteochondrosisilium, iliac crest(juvenile)
  • Osteochondrosisischiopubic synchondrosis
  • Osteochondrosispelvis(juvenile)
  • OsteochondrosisPierson's
  • Osteochondrosissymphysis pubis(juvenile)
  • Osteochondrosisvan Neck's
  • Synchondrosisischiopubic

Related codes at this level

Codes that share M91. If M91.0 is not quite right, the correct code is usually one of these.

Questions about M91.0

Is M91.0 a billable ICD-10-CM code?
Yes. M91.0 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does M91.0 sit in the tabular list?
Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Chondropathies (M91-M94).
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.