All ICD10 Codes
M91Not billable, use a more specific code below

Juvenile osteochondrosis of hip and pelvis

In Chondropathies (M91-M94), chapter 13: Diseases of the Musculoskeletal System and Connective Tissue

19 billable codes under M91: none are a CC or MCC; none map to an HCC.

Advertisements

Instructional notes

Excludes1: not coded here, use a different code

  • slipped upper femoral epiphysis (nontraumatic) (M93.0-)

Also applies, from Chondropathies (M91-M94)

These notes sit on M91-M94 and apply to every code under it, including M91.

Excludes1: not coded here, use a different code

  • postprocedural chondropathies (M96.-)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers site and laterality, acute injury versus chronic musculoskeletal conditions, 7th characters for pathologic fractures, osteoporosis with or without current fracture, and multisystem inflammatory syndrome.

Read Section I.C.13 (page 60)

All codes under M91

M91 can't be used on a claim. Pick a billable code below; grey headings group them.

M91 MS-DRGs

As the principal diagnosis, all 19 billable codes under M91 group to MS-DRG 553 or 554 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Other codes that refer to M91

Notes on these codes point to M91.

  • M87 Excludes1: juvenile osteonecrosis (M91-M92)

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Hip Injuries and Disorders

Your hip is the joint where your femur (thigh bone) meets your pelvis (hip bone). There are two main parts: a ball at the end of the femur, which fits in a socket in the pelvis. Your hip is known as a ball-and-socket joint. This is because you have a ball at the end of your femur, and it fits into a socket in your pelvis. This makes your hips very stable and allows for a wide range of motion. When they are healthy, it takes great force to hurt them. However, playing sports, running, overuse, or falling can sometimes lead to hip injuries such as:

Read more about hip injuries and disorders on MedlinePlus

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.