M11.879
Billable

Other specified crystal arthropathies, unspecified ankle and foot

Billable / Specific Code

What is Other specified crystal arthropathies, unspecified ankle and foot?

ICD-10-CM M11.879 is the diagnosis code for Other specified crystal arthropathies, unspecified ankle and foot. This code falls under the section "Inflammatory polyarthropathies" 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 M11.879

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 M11.879 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is M11.879 a billable ICD-10-CM code?

Yes, M11.879 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does M11.879 mean?

M11.879 is the ICD-10-CM diagnosis code for "Other specified crystal arthropathies, unspecified ankle and foot". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of M11.879?

The parent code of M11.879 is M11.87 ("Other specified crystal arthropathies, ankle and foot"). M11.879 provides a more specific classification within this category.

What section is M11.879 in?

M11.879 is located in Section M05-M14 — "Inflammatory polyarthropathies" within Chapter 13 of the ICD-10-CM Tabular List.

When should I use M11.879?

Use M11.879 when the patients documented diagnosis matches "Other specified crystal arthropathies, unspecified ankle and foot" 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 specified crystal arthropathies, unspecified ankle and foot?

The ICD-10-CM code for Other specified crystal arthropathies, unspecified ankle and foot is M11.879.

Can M11.879 be used for primary diagnosis?

Yes, M11.879 can be used as a primary diagnosis code since it is billable and specific.

What chapter is M11.879 in?

M11.879 is in Chapter 13 of the ICD-10-CM Tabular List.

Is M11.879 valid for 2026?

Yes, M11.879 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousM11.872Other specified crystal arthropathies, left ankle and footNext →M11.88Other specified crystal arthropathies, vertebrae
Code Details
M11.879
Other specified crystal arthropathies, unspecified ankle and foot
Billable / Specific Code
13 — Diseases of the musculoskeletal system and connective tissue (M00-M99)
M05-M14 — Inflammatory polyarthropathies
2026 ICD-10-CM