M85.529
Billable

Aneurysmal bone cyst, unspecified upper arm

Billable / Specific Code

What is Aneurysmal bone cyst, unspecified upper arm?

ICD-10-CM M85.529 is the diagnosis code for Aneurysmal bone cyst, unspecified upper arm. 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 M85.529

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 M85.529 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is M85.529 a billable ICD-10-CM code?

Yes, M85.529 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does M85.529 mean?

M85.529 is the ICD-10-CM diagnosis code for "Aneurysmal bone cyst, unspecified upper arm". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of M85.529?

The parent code of M85.529 is M85.52 ("Aneurysmal bone cyst, upper arm"). M85.529 provides a more specific classification within this category.

What section is M85.529 in?

M85.529 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 M85.529?

Use M85.529 when the patients documented diagnosis matches "Aneurysmal bone cyst, unspecified upper arm" 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 upper arm?

The ICD-10-CM code for Aneurysmal bone cyst, unspecified upper arm is M85.529.

Can M85.529 be used for primary diagnosis?

Yes, M85.529 can be used as a primary diagnosis code since it is billable and specific.

What chapter is M85.529 in?

M85.529 is in Chapter 13 of the ICD-10-CM Tabular List.

Is M85.529 valid for 2026?

Yes, M85.529 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousM85.522Aneurysmal bone cyst, left upper armNext →M85.53Aneurysmal bone cyst, forearm
Code Details
M85.529
Aneurysmal bone cyst, unspecified upper arm
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