M20.5
Non-Billable

Other deformities of toe(s) (acquired)

Non-Billable / Non-Specific Code

What is Other deformities of toe(s) (acquired)?

ICD-10-CM M20.5 is the diagnosis code for Other deformities of toe(s) (acquired). This code falls under the section "Other joint disorders" 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 M20.5

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 M20.5 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 1 entries
M20.5XOther deformities of toe(s) (acquired)Non-BillableM20.5X1Other deformities of toe(s) (acquired), right footBillableM20.5X2Other deformities of toe(s) (acquired), left footBillableM20.5X9Other deformities of toe(s) (acquired), unspecified footBillable
Related Codes

Frequently Asked Questions

Is M20.5 a billable ICD-10-CM code?

No, M20.5 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does M20.5 mean?

M20.5 is the ICD-10-CM diagnosis code for "Other deformities of toe(s) (acquired)". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of M20.5?

The parent code of M20.5 is M20 ("Acquired deformities of fingers and toes"). M20.5 provides a more specific classification within this category.

What section is M20.5 in?

M20.5 is located in Section M20-M25 — "Other joint disorders" within Chapter 13 of the ICD-10-CM Tabular List.

What are the sub-codes of M20.5?

M20.5 has 1 sub-code(s) that provide more specific detail: M20.5X.

When should I use M20.5?

Use M20.5 when the patients documented diagnosis matches "Other deformities of toe(s) (acquired)" 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 deformities of toe(s) (acquired)?

The ICD-10-CM code for Other deformities of toe(s) (acquired) is M20.5.

Can M20.5 be used for primary diagnosis?

No, M20.5 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is M20.5 in?

M20.5 is in Chapter 13 of the ICD-10-CM Tabular List.

Is M20.5 valid for 2026?

Yes, M20.5 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousM20.42Other hammer toe(s) (acquired), left footNext →M20.5XOther deformities of toe(s) (acquired)
Code Details
M20.5
Other deformities of toe(s) (acquired)
Non-Billable / Non-Specific Code
13 — Diseases of the musculoskeletal system and connective tissue (M00-M99)
M20-M25 — Other joint disorders
2026 ICD-10-CM