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S04.811SBillableSave

S04.811S - Injury of olfactory [1st ] nerve, right side, sequela

ICD-10-CM Chapter 19: Injury, poisoning and certain other consequences of external causes · S00-S09 Injuries to the head (S00-S09) · Subcategory of S04.811 · FY2027

7th character S: sequela

Coding Guidance

7th character S: sequela.

Includes, Excludes and Coding Notes

Code FirstFrom S04

Sequence the underlying condition before this code.

  • any associated intracranial injury (S06.-)
Code AlsoFrom S04

Report an additional code when both conditions apply.

  • any associated:
  • open wound of head (S01.-)
  • skull fracture (S02.-)
IncludesFrom S00-S09 Injuries to the head (S00-S09)

Conditions this code covers.

  • 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
Excludes 2 — Not Included HereFrom S00-S09 Injuries to the head (S00-S09)

Not part of this code; report both codes when the patient has both conditions.

  • 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 AlsoFrom S00-S09 Injuries to the head (S00-S09)

Report an additional code when both conditions apply.

  • for any associated infection
Excludes 2 — Not Included HereFrom Chapter S00-T88

Not part of this code; report both codes when the patient has both conditions.

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)
Use Additional CodeFrom Chapter S00-T88

Add a secondary code to identify the associated condition or cause when it is documented.

  • code to identify any retained foreign body, if applicable (Z18.-)
NotesFrom Chapter S00-T88

Instructional notes from the ICD-10-CM tabular list.

  • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.