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ICD-10/S90.01

S90.01 ICD-10-CM Code: Contusion of right ankle

S90.01 is the authoritative medical code for Contusion of right ankle. This classification is used in medical billing and clinical recording to specify the clinical criteria for contusion of right ankle (ICD-10-CM S90.01), ensuring healthcare documentation aligns with current federal coding standards.

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.

Official Registry Overview & Definition

Contusion of right ankle is a non-billable ICD-10-CM category code (S90.01). A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): burns and corrosions (T20-T32); fracture of ankle and malleolus (S82.-); frostbite (T33-T34); insect bite or sting, venomous (T63.4). 7th character: The appropriate 7th character is to be added to each code from category S90.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for S90.01 in the official ICD-10-CM tabular list.

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • burns and corrosions (T20-T32)
  • fracture of ankle and malleolus (S82.-)
  • frostbite (T33-T34)
  • insect bite or sting, venomous (T63.4)

Frequently Asked Questions (FAQ) & Clinical Guidance

Can S90.01 be billed directly?

No. S90.01 (Contusion of right ankle) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Does S90.01 require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category S90.

Can S90.01 be reported alongside related conditions?

Per official ICD-10-CM Excludes2 instructions, S90.01 and the following are not considered part of each other and may both be reported when both conditions are present: burns and corrosions (T20-T32); fracture of ankle and malleolus (S82.-); frostbite (T33-T34); insect bite or sting, venomous (T63.4).

Nearest Codes in This Family

Official ICD-10-CM classifications closest to S90.01 in its code family, with their registry titles.

  • S90.0 — Contusion of ankle
  • S90.00 — Contusion of unspecified ankle
  • S90.00XA — Contusion of unspecified ankle, initial encounter
  • S90.00XD — Contusion of unspecified ankle, subsequent encounter
  • S90.00XS — Contusion of unspecified ankle, sequela
  • S90.01XA — Contusion of right ankle, initial encounter
  • S90.01XD — Contusion of right ankle, subsequent encounter
  • S90.01XS — Contusion of right ankle, sequela
  • S90.02 — Contusion of left ankle
  • S90.02XA — Contusion of left ankle, initial encounter

View all codes in the S90 family