NPI Atlas

M20.11 – Hallux valgus (acquired), right foot

ICD-10-CM 2027 diagnosis code · Other joint disorders

Billable code

ICD-10-CM code M20.11

Code: M20.11 (claims format: M2011)
Description: Hallux valgus (acquired), right foot
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
Block: M20-M25 Other joint disorders
Parent codes: M20 › M20.1

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

M20 – Acquired deformities of fingers and toes

Excludes1 (not coded here):

acquired absence of fingers and toes (Z89.-)
congenital absence of fingers and toes (Q71.3-, Q72.3-)
congenital deformities and malformations of fingers and toes (Q66.-, Q68-Q70, Q74.-)

M20.1 – Hallux valgus (acquired)

Excludes2 (not included here):

bunion (M21.6-)

Block M20-M25

Excludes2 (not included here):

joints of the spine (M40-M54)

Related codes in M20.1

Frequently asked questions

What is ICD-10 code M20.11?

M20.11 is the ICD-10-CM code for hallux valgus (acquired), right foot, in the block M20-M25 (Other joint disorders).

Is M20.11 a billable code?

Yes. M20.11 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does M20.11 belong to?

It belongs to category M20 – Acquired deformities of fingers and toes.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.