ICD10BillableValid for clinical use

ICD-10 Code M87.050: Idiopathic aseptic necrosis of pelvis

M87.050 is a billable ICD-10 diagnosis code used to classify Idiopathic aseptic necrosis of pelvis in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the musculoskeletal system and connective tissue (M00-M99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the musculoskeletal system and connective tissue (M00-M99).

When is it used?

  • May be used when a clinician documents idiopathic aseptic necrosis of pelvis in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
13Diseases of the musculoskeletal system and connective tissue (M00-M99)
block
M80-M94Osteopathies and chondropathies
block
M86-M90Other osteopathies
category
M87Osteonecrosis
category
M87.0Idiopathic aseptic necrosis of bone
category
M87.05Idiopathic aseptic necrosis of pelvis and femur
currentM87.05

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

Orthopedic SpecialistRheumatologist

Coverage-related procedures and services

CPT 27130high
ARTHROPLASTY, ACETABULAR AND PROXIMAL FEMORAL PROSTHETIC REPLACEMENT (TOTAL HIP ARTHROPLASTY), WITH OR WITHOUT AUTOGRAFT OR ALLOGRAFT
Source: CMS coverage guidance
CPT 27132high
CONVERSION OF PREVIOUS HIP SURGERY TO TOTAL HIP ARTHROPLASTY, WITH OR WITHOUT AUTOGRAFT OR ALLOGRAFT
Source: CMS coverage guidance
CPT 27137high
REVISION OF TOTAL HIP ARTHROPLASTY; ACETABULAR COMPONENT ONLY, WITH OR WITHOUT AUTOGRAFT OR ALLOGRAFT
Source: CMS coverage guidance
CPT 27134high
REVISION OF TOTAL HIP ARTHROPLASTY; BOTH COMPONENTS, WITH OR WITHOUT AUTOGRAFT OR ALLOGRAFT
Source: CMS coverage guidance
CPT 27138high
REVISION OF TOTAL HIP ARTHROPLASTY; FEMORAL COMPONENT ONLY, WITH OR WITHOUT ALLOGRAFT
Source: CMS coverage guidance
CPT 97034high
APPLICATION OF A MODALITY TO 1 OR MORE AREAS; CONTRAST BATHS, EACH 15 MINUTES
Source: CMS coverage guidance

Coding guidelines

Common synonyms

Idiopathic aseptic necrosis of pelvis

Frequently asked questions

Code details

CodeM87.050
SystemICD10
Display nameIdiopathic aseptic necrosis of pelvis
ChapterDiseases of the musculoskeletal system and connective tissue (M00-M99)
BlockOther osteopathies

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
OsteonecrosisOsteonecrosisOsteonecrosisOsteonecrosis

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code M87.050 for Idiopathic aseptic necrosis of pelvis | HealthAssure