M90.64
Non-Billable

Osteitis deformans in neoplastic diseases, hand

Non-Billable / Non-Specific Code

What is Osteitis deformans in neoplastic diseases, hand?

ICD-10-CM M90.64 is the diagnosis code for Osteitis deformans in neoplastic diseases, hand. 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.

Coding Guidelines for M90.64

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where M90.64 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 3 entries
M90.641Osteitis deformans in neoplastic diseases, right handBillableM90.642Osteitis deformans in neoplastic diseases, left handBillableM90.649Osteitis deformans in neoplastic diseases, unspecified handBillable
Related Codes

Frequently Asked Questions

Is M90.64 a billable ICD-10-CM code?

No, M90.64 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does M90.64 mean?

M90.64 is the ICD-10-CM diagnosis code for "Osteitis deformans in neoplastic diseases, hand". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of M90.64?

The parent code of M90.64 is M90.6 ("Osteitis deformans in neoplastic diseases"). M90.64 provides a more specific classification within this category.

What section is M90.64 in?

M90.64 is located in Section M86-M90 — "Other osteopathies" within Chapter 13 of the ICD-10-CM Tabular List.

What are the sub-codes of M90.64?

M90.64 has 3 sub-code(s) that provide more specific detail: M90.641, M90.642, M90.649.

When should I use M90.64?

Use M90.64 when the patients documented diagnosis matches "Osteitis deformans in neoplastic diseases, hand" 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, hand?

The ICD-10-CM code for Osteitis deformans in neoplastic diseases, hand is M90.64.

Can M90.64 be used for primary diagnosis?

No, M90.64 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is M90.64 in?

M90.64 is in Chapter 13 of the ICD-10-CM Tabular List.

Is M90.64 valid for 2026?

Yes, M90.64 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousM90.639Osteitis deformans in neoplastic diseases, unspecified forearmNext →M90.641Osteitis deformans in neoplastic diseases, right hand
Code Details
M90.64
Osteitis deformans in neoplastic diseases, hand
Non-Billable / Non-Specific Code
13 — Diseases of the musculoskeletal system and connective tissue (M00-M99)
M86-M90 — Other osteopathies
2026 ICD-10-CM