M90.6
Non-Billable

Osteitis deformans in neoplastic diseases

Non-Billable / Non-Specific Code

What is Osteitis deformans in neoplastic diseases?

ICD-10-CM M90.6 is the diagnosis code for Osteitis deformans in neoplastic diseases. 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
⛔ Excludes1

Coding Guidelines for M90.6

✅ This Code Includes

  • Osteitis deformans in malignant neoplasm of bone

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as M90.6. They are mutually exclusive:

  • osteitis deformans [Paget's disease of bone] (M88.-)

ICD-10-CM Code Hierarchy

Understanding where M90.6 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 10 entries
M90.60Osteitis deformans in neoplastic diseases, unspecified siteBillableM90.61Osteitis deformans in neoplastic diseases, shoulderNon-BillableM90.611Osteitis deformans in neoplastic diseases, right shoulderBillableM90.612Osteitis deformans in neoplastic diseases, left shoulderBillableM90.619Osteitis deformans in neoplastic diseases, unspecified shoulderBillableM90.62Osteitis deformans in neoplastic diseases, upper armNon-BillableM90.621Osteitis deformans in neoplastic diseases, right upper armBillableM90.622Osteitis deformans in neoplastic diseases, left upper armBillableM90.629Osteitis deformans in neoplastic diseases, unspecified upper armBillableM90.63Osteitis deformans in neoplastic diseases, forearmNon-BillableM90.631Osteitis deformans in neoplastic diseases, right forearmBillableM90.632Osteitis deformans in neoplastic diseases, left forearmBillableM90.639Osteitis deformans in neoplastic diseases, unspecified forearmBillableM90.64Osteitis deformans in neoplastic diseases, handNon-BillableM90.641Osteitis deformans in neoplastic diseases, right handBillableM90.642Osteitis deformans in neoplastic diseases, left handBillableM90.649Osteitis deformans in neoplastic diseases, unspecified handBillableM90.65Osteitis deformans in neoplastic diseases, thighNon-BillableM90.651Osteitis deformans in neoplastic diseases, right thighBillableM90.652Osteitis deformans in neoplastic diseases, left thighBillableM90.659Osteitis deformans in neoplastic diseases, unspecified thighBillableM90.66Osteitis deformans in neoplastic diseases, lower legNon-BillableM90.661Osteitis deformans in neoplastic diseases, right lower legBillableM90.662Osteitis deformans in neoplastic diseases, left lower legBillableM90.669Osteitis deformans in neoplastic diseases, unspecified lower legBillableM90.67Osteitis deformans in neoplastic diseases, ankle and footNon-BillableM90.671Osteitis deformans in neoplastic diseases, right ankle and footBillableM90.672Osteitis deformans in neoplastic diseases, left ankle and footBillableM90.679Osteitis deformans in neoplastic diseases, unspecified ankle and footBillableM90.68Osteitis deformans in neoplastic diseases, other siteBillableM90.69Osteitis deformans in neoplastic diseases, multiple sitesBillable
Related Codes

Frequently Asked Questions

Is M90.6 a billable ICD-10-CM code?

No, M90.6 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does M90.6 mean?

M90.6 is the ICD-10-CM diagnosis code for "Osteitis deformans in neoplastic diseases". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of M90.6?

The parent code of M90.6 is M90 ("Osteopathies in diseases classified elsewhere"). M90.6 provides a more specific classification within this category.

What section is M90.6 in?

M90.6 is located in Section M86-M90 — "Other osteopathies" within Chapter 13 of the ICD-10-CM Tabular List.

What are the sub-codes of M90.6?

M90.6 has 10 sub-code(s) that provide more specific detail: M90.60, M90.61, M90.62, M90.63, M90.64 and more.

When should I use M90.6?

Use M90.6 when the patients documented diagnosis matches "Osteitis deformans in neoplastic diseases" 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 Osteitis deformans in neoplastic diseases?

The ICD-10-CM code for Osteitis deformans in neoplastic diseases is M90.6.

Can M90.6 be used for primary diagnosis?

No, M90.6 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is M90.6 in?

M90.6 is in Chapter 13 of the ICD-10-CM Tabular List.

What conditions are excluded from M90.6?

Type 1 Excludes for M90.6 include: osteitis deformans [Paget's disease of bone] (M88.-).

Is M90.6 valid for 2026?

Yes, M90.6 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousM90.59Osteonecrosis in diseases classified elsewhere, multiple sitesNext →M90.60Osteitis deformans in neoplastic diseases, unspecified site
Code Details
M90.6
Osteitis deformans in neoplastic diseases
Non-Billable / Non-Specific Code
13 — Diseases of the musculoskeletal system and connective tissue (M00-M99)
M86-M90 — Other osteopathies
2026 ICD-10-CM