S05.91 ICD-10-CM Code: Unspecified injury of right eye and orbit
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for S05.91 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- open wound of eye and orbit
- 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.
- 2nd cranial [optic] nerve injury (S04.0-) Compare S05.91 vs S04.0 →
- 3rd cranial [oculomotor] nerve injury (S04.1-) Compare S05.91 vs S04.1 →
- open wound of eyelid and periocular area (S01.1-) Compare S05.91 vs S01.1 →
- orbital bone fracture (S02.1-, S02.3-, S02.8-) Compare S05.91 vs S02.1 →
- superficial injury of eyelid (S00.1-S00.2) Compare S05.91 vs S00.1 →
- burns and corrosions (T20-T32) Compare S05.91 vs T20 →
- effects of foreign body in ear (T16) Compare S05.91 vs T16 →
- effects of foreign body in larynx (T17.3) Compare S05.91 vs T17.3 →
- effects of foreign body in mouth NOS (T18.0) Compare S05.91 vs T18.0 →
- effects of foreign body in nose (T17.0-T17.1) Compare S05.91 vs T17.0 →
- effects of foreign body in pharynx (T17.2) Compare S05.91 vs T17.2 →
- effects of foreign body on external eye (T15.-) Compare S05.91 vs T15 →
- frostbite (T33-T34) Compare S05.91 vs T33 →
- insect bite or sting, venomous (T63.4) Compare S05.91 vs T63.4 →
Code Also
Additional codes that may be required to fully describe the encounter.
- for any associated infection
Frequently Compared Codes
The official Excludes notes on S05.91 name these codes. Each comparison page covers when the two can — or must not — be reported together.
Change history
No changes recorded for this code — unchanged since the FY2016 baseline of the change ledger.
Verify Before Coding
- Not billable as written — a more specific code is required: S05.91XA, S05.91XD, S05.91XS.
- Requires a 7th character. "The appropriate 7th character is to be added to each code from category S05" Options: S05.91XA, S05.91XD, S05.91XS
From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim.
Relationships & Classification
Official ICD-10-CM tabular notes on other codes that name S05.91 or its code family.
3 Excludes1 notes across 2 chapters: H44.6 (via S05.-), H44.7 (via S05.-), S00 (via S05.-).
1 Excludes2 notes: S01 (via S05.-).
Contextual Map
Every relationship of S05.91 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
- S00-T88 — Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) (S00-T88) [Hierarchy]
Referenced by Excludes1 notes
- H44.6 — Retained (old) intraocular foreign body, magnetic [Excludes1](via S05.-): “current intraocular foreign body (S05.-)” · check together
- H44.7 — Retained (old) intraocular foreign body, nonmagnetic [Excludes1](via S05.-): “current intraocular foreign body (S05.-)” · check together
- S00 — Superficial injury of head [Excludes1](via S05.-): “injury of eye and orbit (S05.-)” · check together
Referenced by Excludes2 notes
- S01 — Open wound of head [Excludes2](via S05.-): “injury of eye and orbit (S05.-)” · check together
Nearest codes (40)
- S05 — Injury of eye and orbit [Sibling]
- S05.62XS — Penetrating wound without foreign body of left eyeball, sequela [Sibling]
- S05.7 — Avulsion of eye [Sibling]
- S05.70 — Avulsion of unspecified eye [Sibling]
- S05.70XA — Avulsion of unspecified eye, initial encounter [Sibling]
- S05.70XD — Avulsion of unspecified eye, subsequent encounter [Sibling]
- S05.70XS — Avulsion of unspecified eye, sequela [Sibling]
- S05.71 — Avulsion of right eye [Sibling]
- and 32 more
Frequently Asked Questions (FAQ) & Clinical Guidance
Can S05.91 be billed directly?
No. S05.91 (Unspecified injury of right eye and orbit) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Does S05.91 require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category S05.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to S05.91 in its code family, with their registry titles.
- S05.9 — Unspecified injury of eye and orbit
- S05.90 — Unspecified injury of unspecified eye and orbit
- S05.90XA — Unspecified injury of unspecified eye and orbit, initial encounter
- S05.90XD — Unspecified injury of unspecified eye and orbit, subsequent encounter
- S05.90XS — Unspecified injury of unspecified eye and orbit, sequela
- S05.91XA — Unspecified injury of right eye and orbit, initial encounter
- S05.91XD — Unspecified injury of right eye and orbit, subsequent encounter
- S05.91XS — Unspecified injury of right eye and orbit, sequela
- S05.92 — Unspecified injury of left eye and orbit
- S05.92XA — Unspecified injury of left eye and orbit, initial encounter