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ICD-10/S04.71XD

S04.71XD ICD-10-CM Code: Injury of accessory nerve, right side, subsequent 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.

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

Injury of accessory nerve, right side, subsequent encounter is a billable ICD-10-CM diagnosis code (S04.71D).

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for S04.71XD in the official ICD-10-CM tabular list.

Includes

Conditions the official ICD-10-CM tabular list includes under this code.

  • injuries of ear
  • injuries of eye
  • injuries of face [any part]
  • injuries of gum
  • injuries of jaw
  • injuries of oral cavity
  • injuries of palate
  • injuries of periocular area
  • injuries of scalp
  • injuries of temporomandibular joint area
  • injuries of tongue
  • injuries of tooth

Excludes2 — Not Included Here

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

Code First

Underlying conditions that must be sequenced before this code.

  • any associated intracranial injury (S06.-)

Code Also

Additional codes that may be required to fully describe the encounter.

  • any associated:
  • open wound of head (S01.-)
  • skull fracture (S02.-)
  • for any associated 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.

Referenced by Other Codes

Clinical classification (AHRQ CCSR):INJ062 — Injury to nerves, muscles and tendons, subsequent 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 2 MS-DRGs: DRG 949 (MDC 23), DRG 950 (MDC 23).

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 S04.71XD or its code family.

1 Code Also instructions: S01 (via S04.-).

Frequently Asked Questions (FAQ) & Clinical Guidance

Does S04.71XD require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category S04.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to S04.71XD in its code family, with their registry titles.

  • S04.70XA — Injury of accessory nerve, unspecified side, initial encounter
  • S04.70XD — Injury of accessory nerve, unspecified side, subsequent encounter
  • S04.70XS — Injury of accessory nerve, unspecified side, sequela
  • S04.71 — Injury of accessory nerve, right side
  • S04.71XA — Injury of accessory nerve, right side, initial encounter
  • S04.71XS — Injury of accessory nerve, right side, sequela
  • S04.72 — Injury of accessory nerve, left side
  • S04.72XA — Injury of accessory nerve, left side, initial encounter
  • S04.72XD — Injury of accessory nerve, left side, subsequent encounter
  • S04.72XS — Injury of accessory nerve, left side, sequela

View all codes in the S04 family