Q70.21 ICD-10-CM Code: Fused toes, right foot
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Inpatient Payment Groups (MS-DRG)
MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0 (FY2026), Appendix B.
- MS-DRG 564 — OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE DIAGNOSES WITH MCC (MDC 08)
- MS-DRG 565 — OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE DIAGNOSES WITH CC (MDC 08)
- MS-DRG 566 — OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE DIAGNOSES WITHOUT CC/MCC (MDC 08)
A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Fused toes, right foot is a billable ICD-10-CM diagnosis code (Q70.21).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to Q70.21 in its code family, with their registry titles.
- Q70.11 — Webbed fingers, right hand
- Q70.12 — Webbed fingers, left hand
- Q70.13 — Webbed fingers, bilateral
- Q70.2 — Fused toes
- Q70.20 — Fused toes, unspecified foot
- Q70.22 — Fused toes, left foot
- Q70.23 — Fused toes, bilateral
- Q70.3 — Webbed toes
- Q70.30 — Webbed toes, unspecified foot
- Q70.31 — Webbed toes, right foot