M89.8
Non-Billable

Other specified disorders of bone

Non-Billable / Non-Specific Code

What is Other specified disorders of bone?

ICD-10-CM M89.8 is the diagnosis code for Other specified disorders of bone. 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.

💡 Inclusions

Coding Guidelines for M89.8

✅ This Code Includes

  • Infantile cortical hyperostoses
  • Post-traumatic subperiosteal ossification

ICD-10-CM Code Hierarchy

Understanding where M89.8 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeM89.8 — Other specified disorders of bone
Sub-Codes (1)
Sub-Codes 1 entries
M89.8XOther specified disorders of boneNon-BillableM89.8X0Other specified disorders of bone, multiple sitesBillableM89.8X1Other specified disorders of bone, shoulderBillableM89.8X2Other specified disorders of bone, upper armBillableM89.8X3Other specified disorders of bone, forearmBillableM89.8X4Other specified disorders of bone, handBillableM89.8X5Other specified disorders of bone, thighBillableM89.8X6Other specified disorders of bone, lower legBillableM89.8X7Other specified disorders of bone, ankle and footBillableM89.8X8Other specified disorders of bone, other siteBillableM89.8X9Other specified disorders of bone, unspecified siteBillable
Related Codes

Frequently Asked Questions

Is M89.8 a billable ICD-10-CM code?

No, M89.8 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does M89.8 mean?

M89.8 is the ICD-10-CM diagnosis code for "Other specified disorders of bone". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of M89.8?

The parent code of M89.8 is M89 ("Other disorders of bone"). M89.8 provides a more specific classification within this category.

What section is M89.8 in?

M89.8 is located in Section M86-M90 — "Other osteopathies" within Chapter 13 of the ICD-10-CM Tabular List.

What are the sub-codes of M89.8?

M89.8 has 1 sub-code(s) that provide more specific detail: M89.8X.

When should I use M89.8?

Use M89.8 when the patients documented diagnosis matches "Other specified disorders of bone" 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 Other specified disorders of bone?

The ICD-10-CM code for Other specified disorders of bone is M89.8.

Can M89.8 be used for primary diagnosis?

No, M89.8 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is M89.8 in?

M89.8 is in Chapter 13 of the ICD-10-CM Tabular List.

Is M89.8 valid for 2026?

Yes, M89.8 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousM89.79Major osseous defect, multiple sitesNext →M89.8XOther specified disorders of bone
Code Details
M89.8
Other specified disorders of bone
Non-Billable / Non-Specific Code
13 — Diseases of the musculoskeletal system and connective tissue (M00-M99)
M86-M90 — Other osteopathies
2026 ICD-10-CM