ICD-10/S79.121S

S79.121S ICD 2026 Code: Salter-Harris Type II physeal fracture of lower end of right femur, sequela

S79.121S is the authoritative medical code for Salter-Harris Type II physeal fracture of lower end of right femur, sequela. This classification is used in medical billing and clinical recording to specify the clinical criteria for salter-harris type ii physeal fracture of lower end of right femur, sequela (ICD-10-CM S79.121S), 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

Salter-Harris Type II physeal fracture of lower end of right femur, sequela is a billable ICD-10-CM diagnosis code S79.121S. Excludes2 (not included here): burns and corrosions T20-T32; frostbite T33-T34; snake bite T63.0-; venomous insect bite or sting T63.4-. 7th character: The appropriate 7th character is to be added to each code from subcategories S79.0 and S79.1.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for S79.121S 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
  • frostbite T33-T34
  • snake bite T63.0-
  • venomous insect bite or sting T63.4-

Frequently Asked Questions (FAQ) & Clinical Guidance

Does S79.121S require a 7th character?

Yes. The appropriate 7th character is to be added to each code from subcategories S79.0 and S79.1.

Can S79.121S be reported alongside related conditions?

Per Excludes2 instructions, S79.121S and the following may both be reported when both are present: burns and corrosions (T20-T32); frostbite (T33-T34); snake bite (T63.0-); venomous insect bite or sting (T63.4-).

Codes in This Family (40)

Official ICD-10-CM classifications in the same code family as S79.121S, with their registry titles.

  • S79 — Other and unspecified injuries of hip and thigh
  • S79.0 — Physeal fracture of upper end of femur
  • S79.00 — Unspecified physeal fracture of upper end of femur
  • S79.001 — Unspecified physeal fracture of upper end of right femur
  • S79.001A — Unspecified physeal fracture of upper end of right femur, initial encounter for closed fracture
  • S79.001D — Unspecified physeal fracture of upper end of right femur, subsequent encounter for fracture with routine healing
  • S79.001G — Unspecified physeal fracture of upper end of right femur, subsequent encounter for fracture with delayed healing
  • S79.001K — Unspecified physeal fracture of upper end of right femur, subsequent encounter for fracture with nonunion
  • S79.001P — Unspecified physeal fracture of upper end of right femur, subsequent encounter for fracture with malunion
  • S79.001S — Unspecified physeal fracture of upper end of right femur, sequela
  • S79.002 — Unspecified physeal fracture of upper end of left femur
  • S79.002A — Unspecified physeal fracture of upper end of left femur, initial encounter for closed fracture
  • S79.002D — Unspecified physeal fracture of upper end of left femur, subsequent encounter for fracture with routine healing
  • S79.002G — Unspecified physeal fracture of upper end of left femur, subsequent encounter for fracture with delayed healing
  • S79.002K — Unspecified physeal fracture of upper end of left femur, subsequent encounter for fracture with nonunion
  • S79.002P — Unspecified physeal fracture of upper end of left femur, subsequent encounter for fracture with malunion
  • S79.002S — Unspecified physeal fracture of upper end of left femur, sequela
  • S79.009 — Unspecified physeal fracture of upper end of unspecified femur
  • S79.009A — Unspecified physeal fracture of upper end of unspecified femur, initial encounter for closed fracture
  • S79.009D — Unspecified physeal fracture of upper end of unspecified femur, subsequent encounter for fracture with routine healing
  • S79.009G — Unspecified physeal fracture of upper end of unspecified femur, subsequent encounter for fracture with delayed healing
  • S79.009K — Unspecified physeal fracture of upper end of unspecified femur, subsequent encounter for fracture with nonunion
  • S79.009P — Unspecified physeal fracture of upper end of unspecified femur, subsequent encounter for fracture with malunion
  • S79.009S — Unspecified physeal fracture of upper end of unspecified femur, sequela
  • S79.01 — Salter-Harris Type I physeal fracture of upper end of femur
  • S79.011 — Salter-Harris Type I physeal fracture of upper end of right femur
  • S79.011A — Salter-Harris Type I physeal fracture of upper end of right femur, initial encounter for closed fracture
  • S79.011D — Salter-Harris Type I physeal fracture of upper end of right femur, subsequent encounter for fracture with routine healing
  • S79.011G — Salter-Harris Type I physeal fracture of upper end of right femur, subsequent encounter for fracture with delayed healing
  • S79.011K — Salter-Harris Type I physeal fracture of upper end of right femur, subsequent encounter for fracture with nonunion
  • S79.011P — Salter-Harris Type I physeal fracture of upper end of right femur, subsequent encounter for fracture with malunion
  • S79.011S — Salter-Harris Type I physeal fracture of upper end of right femur, sequela
  • S79.012 — Salter-Harris Type I physeal fracture of upper end of left femur
  • S79.012A — Salter-Harris Type I physeal fracture of upper end of left femur, initial encounter for closed fracture
  • S79.012D — Salter-Harris Type I physeal fracture of upper end of left femur, subsequent encounter for fracture with routine healing
  • S79.012G — Salter-Harris Type I physeal fracture of upper end of left femur, subsequent encounter for fracture with delayed healing
  • S79.012K — Salter-Harris Type I physeal fracture of upper end of left femur, subsequent encounter for fracture with nonunion
  • S79.012P — Salter-Harris Type I physeal fracture of upper end of left femur, subsequent encounter for fracture with malunion
  • S79.012S — Salter-Harris Type I physeal fracture of upper end of left femur, sequela
  • S79.019 — Salter-Harris Type I physeal fracture of upper end of unspecified femur

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 S75.121S Major laceration of femoral vein at hip and thigh level, right leg, sequela
ICD Code S76.121S Laceration of right quadriceps muscle, fascia and tendon, sequela
ICD Code S78.121S Partial traumatic amputation at level between right hip and knee, sequela
ICD Code S82.121S Displaced fracture of lateral condyle of right tibia, sequela
ICD Code S83.121S Posterior subluxation of proximal end of tibia, right knee, sequela
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