M89.4
Non-Billable

Other hypertrophic osteoarthropathy

Non-Billable / Non-Specific Code

What is Other hypertrophic osteoarthropathy?

ICD-10-CM M89.4 is the diagnosis code for Other hypertrophic osteoarthropathy. 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 M89.4

✅ This Code Includes

  • Marie-Bamberger disease
  • Pachydermoperiostosis

ICD-10-CM Code Hierarchy

Understanding where M89.4 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 10 entries
M89.40Other hypertrophic osteoarthropathy, unspecified siteBillableM89.41Other hypertrophic osteoarthropathy, shoulderNon-BillableM89.411Other hypertrophic osteoarthropathy, right shoulderBillableM89.412Other hypertrophic osteoarthropathy, left shoulderBillableM89.419Other hypertrophic osteoarthropathy, unspecified shoulderBillableM89.42Other hypertrophic osteoarthropathy, upper armNon-BillableM89.421Other hypertrophic osteoarthropathy, right upper armBillableM89.422Other hypertrophic osteoarthropathy, left upper armBillableM89.429Other hypertrophic osteoarthropathy, unspecified upper armBillableM89.43Other hypertrophic osteoarthropathy, forearmNon-BillableM89.431Other hypertrophic osteoarthropathy, right forearmBillableM89.432Other hypertrophic osteoarthropathy, left forearmBillableM89.439Other hypertrophic osteoarthropathy, unspecified forearmBillableM89.44Other hypertrophic osteoarthropathy, handNon-BillableM89.441Other hypertrophic osteoarthropathy, right handBillableM89.442Other hypertrophic osteoarthropathy, left handBillableM89.449Other hypertrophic osteoarthropathy, unspecified handBillableM89.45Other hypertrophic osteoarthropathy, thighNon-BillableM89.451Other hypertrophic osteoarthropathy, right thighBillableM89.452Other hypertrophic osteoarthropathy, left thighBillableM89.459Other hypertrophic osteoarthropathy, unspecified thighBillableM89.46Other hypertrophic osteoarthropathy, lower legNon-BillableM89.461Other hypertrophic osteoarthropathy, right lower legBillableM89.462Other hypertrophic osteoarthropathy, left lower legBillableM89.469Other hypertrophic osteoarthropathy, unspecified lower legBillableM89.47Other hypertrophic osteoarthropathy, ankle and footNon-BillableM89.471Other hypertrophic osteoarthropathy, right ankle and footBillableM89.472Other hypertrophic osteoarthropathy, left ankle and footBillableM89.479Other hypertrophic osteoarthropathy, unspecified ankle and footBillableM89.48Other hypertrophic osteoarthropathy, other siteBillableM89.49Other hypertrophic osteoarthropathy, multiple sitesBillable
Related Codes

Frequently Asked Questions

Is M89.4 a billable ICD-10-CM code?

No, M89.4 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does M89.4 mean?

M89.4 is the ICD-10-CM diagnosis code for "Other hypertrophic osteoarthropathy". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of M89.4?

The parent code of M89.4 is M89 ("Other disorders of bone"). M89.4 provides a more specific classification within this category.

What section is M89.4 in?

M89.4 is located in Section M86-M90 — "Other osteopathies" within Chapter 13 of the ICD-10-CM Tabular List.

What are the sub-codes of M89.4?

M89.4 has 10 sub-code(s) that provide more specific detail: M89.40, M89.41, M89.42, M89.43, M89.44 and more.

When should I use M89.4?

Use M89.4 when the patients documented diagnosis matches "Other hypertrophic osteoarthropathy" 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 hypertrophic osteoarthropathy?

The ICD-10-CM code for Other hypertrophic osteoarthropathy is M89.4.

Can M89.4 be used for primary diagnosis?

No, M89.4 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is M89.4 in?

M89.4 is in Chapter 13 of the ICD-10-CM Tabular List.

Is M89.4 valid for 2026?

Yes, M89.4 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousM89.39Hypertrophy of bone, multiple sitesNext →M89.40Other hypertrophic osteoarthropathy, unspecified site
Code Details
M89.4
Other hypertrophic osteoarthropathy
Non-Billable / Non-Specific Code
13 — Diseases of the musculoskeletal system and connective tissue (M00-M99)
M86-M90 — Other osteopathies
2026 ICD-10-CM