M20.11 is the authoritative medical code for Hallux valgus acquired, right foot. This classification is used in medical billing and clinical recording to specify the clinical criteria for hallux valgus acquired, right foot (ICD-10-CM M20.11), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Hallux valgus acquired, right foot is a billable ICD-10-CM diagnosis code M20.11. 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.-). Excludes2 (not included here): bunion M21.6-; joints of the spine M40-M54.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for M20.11 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- 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.-)
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- bunion M21.6-
- joints of the spine M40-M54
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with M20.11?
Per Excludes1 instructions, M20.11 must not be reported with: 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.-).
Can M20.11 be reported alongside related conditions?
Per Excludes2 instructions, M20.11 and the following may both be reported when both are present: bunion (M21.6-); joints of the spine (M40-M54).
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as M20.11, with their registry titles.
- M20 — Acquired deformities of fingers and toes
- M20.0 — Deformity of finger(s)
- M20.001 — Unspecified deformity of right finger(s)
- M20.002 — Unspecified deformity of left finger(s)
- M20.009 — Unspecified deformity of unspecified finger(s)
- M20.01 — Mallet finger
- M20.011 — Mallet finger of right finger(s)
- M20.012 — Mallet finger of left finger(s)
- M20.019 — Mallet finger of unspecified finger(s)
- M20.02 — Boutonnière deformity
- M20.021 — Boutonnière deformity of right finger(s)
- M20.022 — Boutonnière deformity of left finger(s)
- M20.029 — Boutonnière deformity of unspecified finger(s)
- M20.03 — Swan-neck deformity
- M20.031 — Swan-neck deformity of right finger(s)
- M20.032 — Swan-neck deformity of left finger(s)
- M20.039 — Swan-neck deformity of unspecified finger(s)
- M20.09 — Other deformity of finger(s)
- M20.091 — Other deformity of right finger(s)
- M20.092 — Other deformity of left finger(s)
- M20.099 — Other deformity of finger(s), unspecified finger(s)
- M20.1 — Hallux valgus (acquired)
- M20.10 — Hallux valgus (acquired), unspecified foot
- M20.12 — Hallux valgus (acquired), left foot
- M20.2 — Hallux rigidus
- M20.20 — Hallux rigidus, unspecified foot
- M20.21 — Hallux rigidus, right foot
- M20.22 — Hallux rigidus, left foot
- M20.3 — Hallux varus (acquired)
- M20.30 — Hallux varus (acquired), unspecified foot
- M20.31 — Hallux varus (acquired), right foot
- M20.32 — Hallux varus (acquired), left foot
- M20.4 — Other hammer toe(s) (acquired)
- M20.40 — Other hammer toe(s) (acquired), unspecified foot
- M20.41 — Other hammer toe(s) (acquired), right foot
- M20.42 — Other hammer toe(s) (acquired), left foot
- M20.5 — Other deformities of toe(s) (acquired)
- M20.5X — Other deformities of toe(s) (acquired)
- M20.5X1 — Other deformities of toe(s) (acquired), right foot
- M20.5X2 — Other deformities of toe(s) (acquired), left foot
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code M18.11
Unilateral primary osteoarthritis of first carpometacarpal joint, right hand