M20.12
✓ Billable
Hallux valgus (acquired), left foot
ICD-10-CM · FY2026 · Diseases of the Musculoskeletal System and Connective Tissue
Code
M20.12
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Musculoskeletal System and Connective Tissue
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code M20.12?
ICD-10-CM code M20.12 represents Hallux valgus (acquired), left foot. It is a billable diagnosis code in the Diseases of the Musculoskeletal System and Connective Tissue chapter, effective October 1, 2025 – September 30, 2026.
Is M20.12 billable?
Yes. M20.12 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is M20.12 in?
M20.12 belongs to the Diseases of the Musculoskeletal System and Connective Tissue chapter (M00–M99) of ICD-10-CM.
Related codes in the M20 category
M20
Acquired deformities of fingers and toes
Non-billable
M20.0
Deformity of finger(s)
Non-billable
M20.1
Hallux valgus (acquired)
Non-billable
M20.2
Hallux rigidus
Non-billable
M20.3
Hallux varus (acquired)
Non-billable
M20.4
Other hammer toe(s) (acquired)
Non-billable
M20.5
Other deformities of toe(s) (acquired)
Non-billable
M20.6
Acquired deformities of toe(s), unspecified
Non-billable
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