ICD-10 Coding for Subchondral Segmental Osteonecrosis of the Hip(M84.45, M84.454U, M84.455U)

Learn about the ICD-10 codes for subchondral segmental osteonecrosis of the hip, including diagnostic criteria and documentation requirements.

Also known as:
Avascular Necrosis of the HipOsteonecrosis of the Femoral Head
Related ICD-10 Code Ranges

Complete code families applicable to Subchondral Segmental Osteonecrosis of the Hip

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
M87.351Osteonecrosis due to other cause, right hip
M87.352Osteonecrosis due to other cause, left hip

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information

Essential facts and insights aboutSubchondral Segmental Osteonecrosis of the Hip

Differential Codes

Alternative codes to consider when ruling out similar conditions

Pathological fracture, left hipM84.454

Use if fracture precedes osteonecrosis diagnosis and MRI shows convex articular surface.

Pathological fracture, right hipM84.455

Use if fracture precedes osteonecrosis diagnosis and MRI shows convex articular surface.

Documentation & Coding Risks

Avoid these common issues when documenting Subchondral Segmental Osteonecrosis of the Hip.

Vague documentation of hip pain without specific findings.

Impact

Clinical: May lead to misdiagnosis., Regulatory: Non-compliance with documentation standards., Financial: Potential for denied claims.

Mitigation

Ensure MRI findings are detailed in the notes., Include patient history relevant to osteonecrosis.

Using M87.9 (Unspecified osteonecrosis) when laterality is documented

Impact

Reimbursement: Incorrect coding may lead to reduced reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Decreased accuracy in clinical data.

Mitigation

Always specify laterality using M87.351 or M87.352.

Imaging Documentation

Impact

Lack of detailed MRI findings can lead to audit issues.

Mitigation

Ensure all MRI findings are documented in detail.

Frequently Asked Questions