M89.5
Non-Billable

Osteolysis

Non-Billable / Non-Specific Code

What is Osteolysis?

ICD-10-CM M89.5 is the diagnosis code for Osteolysis. This code falls under the section "Other osteopathies" within Chapter 13 — Diseases of the musculoskeletal system and connective tissue (M00-M99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

â„šī¸ Excludes2

Coding Guidelines for M89.5

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in M89.5. If the patient has both, code each condition separately:

  • periprosthetic osteolysis of internal prosthetic joint (T84.05-)

ICD-10-CM Code Hierarchy

Understanding where M89.5 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 10 entries
M89.50Osteolysis, unspecified siteBillableM89.51Osteolysis, shoulderNon-BillableM89.511Osteolysis, right shoulderBillableM89.512Osteolysis, left shoulderBillableM89.519Osteolysis, unspecified shoulderBillableM89.52Osteolysis, upper armNon-BillableM89.521Osteolysis, right upper armBillableM89.522Osteolysis, left upper armBillableM89.529Osteolysis, unspecified upper armBillableM89.53Osteolysis, forearmNon-BillableM89.531Osteolysis, right forearmBillableM89.532Osteolysis, left forearmBillableM89.539Osteolysis, unspecified forearmBillableM89.54Osteolysis, handNon-BillableM89.541Osteolysis, right handBillableM89.542Osteolysis, left handBillableM89.549Osteolysis, unspecified handBillableM89.55Osteolysis, thighNon-BillableM89.551Osteolysis, right thighBillableM89.552Osteolysis, left thighBillableM89.559Osteolysis, unspecified thighBillableM89.56Osteolysis, lower legNon-BillableM89.561Osteolysis, right lower legBillableM89.562Osteolysis, left lower legBillableM89.569Osteolysis, unspecified lower legBillableM89.57Osteolysis, ankle and footNon-BillableM89.571Osteolysis, right ankle and footBillableM89.572Osteolysis, left ankle and footBillableM89.579Osteolysis, unspecified ankle and footBillableM89.58Osteolysis, other siteBillableM89.59Osteolysis, multiple sitesBillable
Related Codes

Frequently Asked Questions

Is M89.5 a billable ICD-10-CM code?

No, M89.5 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does M89.5 mean?

M89.5 is the ICD-10-CM diagnosis code for "Osteolysis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of M89.5?

The parent code of M89.5 is M89 ("Other disorders of bone"). M89.5 provides a more specific classification within this category.

What section is M89.5 in?

M89.5 is located in Section M86-M90 — "Other osteopathies" within Chapter 13 of the ICD-10-CM Tabular List.

What are the sub-codes of M89.5?

M89.5 has 10 sub-code(s) that provide more specific detail: M89.50, M89.51, M89.52, M89.53, M89.54 and more.

When should I use M89.5?

Use M89.5 when the patients documented diagnosis matches "Osteolysis" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Osteolysis?

The ICD-10-CM code for Osteolysis is M89.5.

Can M89.5 be used for primary diagnosis?

No, M89.5 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is M89.5 in?

M89.5 is in Chapter 13 of the ICD-10-CM Tabular List.

Is M89.5 valid for 2026?

Yes, M89.5 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousM89.49Other hypertrophic osteoarthropathy, multiple sitesNext →M89.50Osteolysis, unspecified site
Code Details
M89.5
Osteolysis
Non-Billable / Non-Specific Code
13 — Diseases of the musculoskeletal system and connective tissue (M00-M99)
M86-M90 — Other osteopathies
2026 ICD-10-CM