ICDcodes.org
FY2027

S04.891SInjury of other cranial nerves, right side, sequela

Billable

Is S04.891S billable?

Yes — S04.891S is billable for FY2027. S04.891S is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S04.891S may be submitted for encounters from October 1, 2026 through September 30, 2027.

S04.891S at a glance

CodeS04.891S
DescriptionInjury of other cranial nerves, right side, sequela
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027
7th character "S"sequela

What does the 7th character "S" mean in S04.891S?

In S04.891S, the 7th character S means sequela. The 7th character is required for S04.891S to be a valid, complete code.

Same condition, different episode of care — switch the 7th character:

Which MS-DRGs does S04.891S group to?

S04.891S sits in MDC 01 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 091Other Disorders of Nervous System with MCCmedical
  • 092Other Disorders of Nervous System with CCmedical
  • 093Other Disorders of Nervous System without CC/MCCmedical

How is S04.891S listed in the Alphabetic Index?

The Alphabetic Index lists these routes under S04.89, the nearest indexed parent of S04.891S. Use them to find the family, then select the specific code.

  • Injurynerve NECglossopharyngeal
  • Injurynerve NEChypoglossal
  • Injurynerve NECvagus
  • Injurynerve NECglossopharyngealspecified type NEC
  • Injurynerve NEChypoglossalspecified type NEC
  • Injurynerve NECvagusspecified type NEC
  • Injurynerve NECcranialspecifiednerve NEC
  • Injurynerve NECcranialspecifiednerve NECcontusion

Code first — inherited from S04

The underlying condition below must be sequenced before S04.891S. S04.891S describes a manifestation and cannot be the principal or first-listed diagnosis.

  • any associated intracranial injury (S06.-)

Use additional code — inherited from Chapter 19

Report an additional code alongside S04.891S to fully describe the condition. S04.891S is sequenced first.

  • code to identify any retained foreign body, if applicable (Z18.-)

Excludes2 — not included here — inherited from Chapter 19

The conditions below are not part of S04.891S, but a patient may have both at the same time. When documentation supports it, S04.891S and the excluded code may both be reported.

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)

Excludes2 — not included here — inherited from S00-S09

The conditions below are not part of S04.891S, but a patient may have both at the same time. When documentation supports it, S04.891S and the excluded code may both be reported.

  • burns and corrosions (T20-T32)
  • effects of foreign body in ear (T16)
  • effects of foreign body in larynx (T17.3)
  • effects of foreign body in mouth NOS (T18.0)
  • effects of foreign body in nose (T17.0-T17.1)
  • effects of foreign body in pharynx (T17.2)
  • effects of foreign body on external eye (T15.-)
  • frostbite (T33-T34)
  • insect bite or sting, venomous (T63.4)

Code also — inherited from S00-S09

Two codes may be needed to describe the condition fully. Whether S04.891S is sequenced first depends on the reason for the encounter.

  • for any associated infection

Code also — inherited from S04

Two codes may be needed to describe the condition fully. Whether S04.891S is sequenced first depends on the reason for the encounter.

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

How long has S04.891S existed?

S04.891S has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.