M85.549
Billable

Aneurysmal bone cyst, unspecified hand

Billable / Specific Code

What is Aneurysmal bone cyst, unspecified hand?

ICD-10-CM M85.549 is the diagnosis code for Aneurysmal bone cyst, unspecified hand. This code falls under the section "Disorders of bone density and structure" within Chapter 13 — Diseases of the musculoskeletal system and connective tissue (M00-M99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 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 M85.549

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 M85.549 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is M85.549 a billable ICD-10-CM code?

Yes, M85.549 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does M85.549 mean?

M85.549 is the ICD-10-CM diagnosis code for "Aneurysmal bone cyst, unspecified 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 M85.549?

The parent code of M85.549 is M85.54 ("Aneurysmal bone cyst, hand"). M85.549 provides a more specific classification within this category.

What section is M85.549 in?

M85.549 is located in Section M80-M85 — "Disorders of bone density and structure" within Chapter 13 of the ICD-10-CM Tabular List.

When should I use M85.549?

Use M85.549 when the patients documented diagnosis matches "Aneurysmal bone cyst, unspecified 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 Aneurysmal bone cyst, unspecified hand?

The ICD-10-CM code for Aneurysmal bone cyst, unspecified hand is M85.549.

Can M85.549 be used for primary diagnosis?

Yes, M85.549 can be used as a primary diagnosis code since it is billable and specific.

What chapter is M85.549 in?

M85.549 is in Chapter 13 of the ICD-10-CM Tabular List.

Is M85.549 valid for 2026?

Yes, M85.549 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousM85.542Aneurysmal bone cyst, left handNext →M85.55Aneurysmal bone cyst, thigh
Code Details
M85.549
Aneurysmal bone cyst, unspecified hand
Billable / Specific Code
13 — Diseases of the musculoskeletal system and connective tissue (M00-M99)
M80-M85 — Disorders of bone density and structure
2026 ICD-10-CM