S11.91XA ICD-10-CM Code: Laceration without foreign body of unspecified part of neck, initial encounter
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, Appendix B.
- MS-DRG 011 — TRACHEOSTOMY FOR FACE, MOUTH AND NECK DIAGNOSES OR LARYNGECTOMY WITH MCC (MDC PRE)
- MS-DRG 012 — TRACHEOSTOMY FOR FACE, MOUTH AND NECK DIAGNOSES OR LARYNGECTOMY WITH CC (MDC PRE)
- MS-DRG 013 — TRACHEOSTOMY FOR FACE, MOUTH AND NECK DIAGNOSES OR LARYNGECTOMY WITHOUT CC/MCC (MDC PRE)
- 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.
Official Registry Overview & Definition
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for S11.91XA in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- injuries of nape
- injuries of supraclavicular region
- injuries of throat
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- open fracture of vertebra (S12.- with 7th character B) Compare S11.91XA vs S12 →
- burns and corrosions (T20-T32) Compare S11.91XA vs T20 →
- effects of foreign body in esophagus (T18.1) Compare S11.91XA vs T18.1 →
- effects of foreign body in larynx (T17.3) Compare S11.91XA vs T17.3 →
- effects of foreign body in pharynx (T17.2) Compare S11.91XA vs T17.2 →
- effects of foreign body in trachea (T17.4) Compare S11.91XA vs T17.4 →
- frostbite (T33-T34) Compare S11.91XA vs T33 →
- insect bite or sting, venomous (T63.4) Compare S11.91XA vs T63.4 →
Code Also
Additional codes that may be required to fully describe the encounter.
- any associated:
- spinal cord injury (S14.0, S14.1-)
- wound infection
Change history
No changes recorded for this code — unchanged since the FY2016 baseline of the change ledger.
Verify Before Coding
- Billable — reportable as written.
From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim.
Contextual Map
Every relationship of S11.91XA in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Hierarchy
- S11.91 — Laceration without foreign body of unspecified part of neck [Hierarchy]
Referenced by Use Additional Code instructions
- S17 — Crushing injury of neck [Use Additional Code](via S11.-): “open wound of neck (S11.-)”
- T71.16 — Asphyxiation due to hanging [Use Additional Code](via S11.-): “open wound of neck (S11.-)”
Referenced by Code Also instructions
- S13.1 — Subluxation and dislocation of cervical vertebrae [Code Also](via S11.-): “open wound of neck (S11.-)”
- S14 — Injury of nerves and spinal cord at neck level [Code Also](via S11.-): “open wound of neck (S11.-)”
- S15 — Injury of blood vessels at neck level [Code Also](via S11.-): “any associated open wound (S11.-)”
- S16 — Injury of muscle, fascia and tendon at neck level [Code Also](via S11.-): “any associated open wound (S11.-)”
Clinical classification (CCSR)
- INJ011 — Open wounds of head and neck, initial encounter [CCSR]
Potential MS-DRG
- DRG 011 — TRACHEOSTOMY FOR FACE, MOUTH AND NECK DIAGNOSES OR LARYNGECTOMY WITH MCC [MS-DRG]: “TRACHEOSTOMY FOR FACE, MOUTH AND NECK DIAGNOSES OR LARYNGECTOMY WITH MCC (MDC PRE)”
- DRG 012 — TRACHEOSTOMY FOR FACE, MOUTH AND NECK DIAGNOSES OR LARYNGECTOMY WITH CC [MS-DRG]: “TRACHEOSTOMY FOR FACE, MOUTH AND NECK DIAGNOSES OR LARYNGECTOMY WITH CC (MDC PRE)”
- DRG 013 — TRACHEOSTOMY FOR FACE, MOUTH AND NECK DIAGNOSES OR LARYNGECTOMY WITHOUT CC/MCC [MS-DRG]: “TRACHEOSTOMY FOR FACE, MOUTH AND NECK DIAGNOSES OR LARYNGECTOMY WITHOUT CC/MCC (MDC PRE)”
- DRG 604 — TRAUMA TO THE SKIN, SUBCUTANEOUS TISSUE AND BREAST WITH MCC [MS-DRG]: “TRAUMA TO THE SKIN, SUBCUTANEOUS TISSUE AND BREAST WITH MCC (MDC 09)”
- DRG 605 — TRAUMA TO THE SKIN, SUBCUTANEOUS TISSUE AND BREAST WITHOUT MCC [MS-DRG]: “TRAUMA TO THE SKIN, SUBCUTANEOUS TISSUE AND BREAST WITHOUT MCC (MDC 09)”
- DRG 963 — OTHER MULTIPLE SIGNIFICANT TRAUMA WITH MCC [MS-DRG]: “OTHER MULTIPLE SIGNIFICANT TRAUMA WITH MCC (MDC 24)”
- DRG 964 — OTHER MULTIPLE SIGNIFICANT TRAUMA WITH CC [MS-DRG]: “OTHER MULTIPLE SIGNIFICANT TRAUMA WITH CC (MDC 24)”
- DRG 965 — OTHER MULTIPLE SIGNIFICANT TRAUMA WITHOUT CC/MCC [MS-DRG]: “OTHER MULTIPLE SIGNIFICANT TRAUMA WITHOUT CC/MCC (MDC 24)”
Nearest codes (40)
- S11 — Open wound of neck [Sibling]
- S11.83 — Puncture wound without foreign body of other specified part of neck [Sibling]
- S11.83XA — Puncture wound without foreign body of other specified part of neck, initial encounter [Sibling]
- S11.83XD — Puncture wound without foreign body of other specified part of neck, subsequent encounter [Sibling]
- S11.83XS — Puncture wound without foreign body of other specified part of neck, sequela [Sibling]
- S11.84 — Puncture wound with foreign body of other specified part of neck [Sibling]
- S11.84XA — Puncture wound with foreign body of other specified part of neck, initial encounter [Sibling]
- S11.84XD — Puncture wound with foreign body of other specified part of neck, subsequent encounter [Sibling]
- and 32 more
Referenced by Other Codes
Clinical classification (AHRQ CCSR):INJ011 — Open wounds of head and neck, initial encounter (default).
Clinical Classifications Software Refined (CCSR) for ICD-10-CM Diagnoses. Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality.
Potential MS-DRG Relationships (FY2026)
Not on the CMS CC/MCC list — as a secondary diagnosis this code does not change MS-DRG severity.
Named in the grouper logic of 8 MS-DRGs: DRG 011 (MDC PRE), DRG 012 (MDC PRE), DRG 013 (MDC PRE), DRG 604 (MDC 09), DRG 605 (MDC 09), DRG 963 (MDC 24), DRG 964 (MDC 24), DRG 965 (MDC 24).
From the CMS MS-DRG Definitions Manual (Appendices B and C). Actual DRG assignment depends on the complete claim.
Official ICD-10-CM tabular notes on other codes that name S11.91XA or its code family.
2 Use Additional Code instructions: S17 (via S11.-), T71.16 (via S11.-).
4 Code Also instructions: S13.1 (via S11.-), S14 (via S11.-), S15 (via S11.-), S16 (via S11.-).
Frequently Asked Questions (FAQ) & Clinical Guidance
Does S11.91XA require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category S11.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to S11.91XA in its code family, with their registry titles.
- S11.90 — Unspecified open wound of unspecified part of neck
- S11.90XA — Unspecified open wound of unspecified part of neck, initial encounter
- S11.90XD — Unspecified open wound of unspecified part of neck, subsequent encounter
- S11.90XS — Unspecified open wound of unspecified part of neck, sequela
- S11.91 — Laceration without foreign body of unspecified part of neck
- S11.91XD — Laceration without foreign body of unspecified part of neck, subsequent encounter
- S11.91XS — Laceration without foreign body of unspecified part of neck, sequela
- S11.92 — Laceration with foreign body of unspecified part of neck
- S11.92XA — Laceration with foreign body of unspecified part of neck, initial encounter
- S11.92XD — Laceration with foreign body of unspecified part of neck, subsequent encounter