S81.811A ICD-10-CM Code: Laceration without foreign body, right lower leg, initial encounter
S81.811A is the authoritative medical code for Laceration without foreign body, right lower leg, initial encounter. This classification is used in medical billing and clinical recording to specify the clinical criteria for laceration without foreign body, right lower leg, initial encounter (ICD-10-CM S81.811A), ensuring healthcare documentation aligns with current federal coding standards.
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 604 — TRAUMA TO THE SKIN, SUBCUTANEOUS TISSUE AND BREAST WITH MCC (MDC 09)
- MS-DRG 605 — TRAUMA TO THE SKIN, SUBCUTANEOUS TISSUE AND BREAST WITHOUT MCC (MDC 09)
- MS-DRG 963 — OTHER MULTIPLE SIGNIFICANT TRAUMA WITH MCC (MDC 24)
- MS-DRG 964 — OTHER MULTIPLE SIGNIFICANT TRAUMA WITH CC (MDC 24)
- MS-DRG 965 — OTHER MULTIPLE SIGNIFICANT TRAUMA WITHOUT CC/MCC (MDC 24)
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
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for S81.811A 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.
- open fracture of knee and lower leg (S82.-)
- traumatic amputation of lower leg (S88.-)
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- open wound of ankle and foot (S91.-)
- burns and corrosions (T20-T32)
- frostbite (T33-T34)
- injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99)
- insect bite or sting, venomous (T63.4)
Code Also
Additional codes that may be required to fully describe the encounter.
- any associated wound infection
Frequently Asked Questions (FAQ) & Clinical Guidance
Does S81.811A require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category S81.
What can't be coded together with S81.811A?
Per official ICD-10-CM Excludes1 instructions, S81.811A must not be reported together with: open fracture of knee and lower leg (S82.-); traumatic amputation of lower leg (S88.-).
Can S81.811A be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, S81.811A and the following are not considered part of each other and may both be reported when both conditions are present: open wound of ankle and foot (S91.-); burns and corrosions (T20-T32); frostbite (T33-T34); injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to S81.811A in its code family, with their registry titles.
- S81.809A — Unspecified open wound, unspecified lower leg, initial encounter
- S81.809D — Unspecified open wound, unspecified lower leg, subsequent encounter
- S81.809S — Unspecified open wound, unspecified lower leg, sequela
- S81.81 — Laceration without foreign body of lower leg
- S81.811 — Laceration without foreign body, right lower leg
- S81.811D — Laceration without foreign body, right lower leg, subsequent encounter
- S81.811S — Laceration without foreign body, right lower leg, sequela
- S81.812 — Laceration without foreign body, left lower leg
- S81.812A — Laceration without foreign body, left lower leg, initial encounter
- S81.812D — Laceration without foreign body, left lower leg, subsequent encounter
Indexed Clinical Terms (1)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Laceration, leg (lower), right