T26.12 ICD-10-CM Code: Burn of cornea and conjunctival sac, left eye
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 T26.12 in the official ICD-10-CM tabular list.
Use Additional Code
Supplementary codes the tabular list directs you to add.
- external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92)
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: T26.12XA, T26.12XD, T26.12XS.
- Requires a 7th character. "The appropriate 7th character is to be added to each code from category T26" Options: T26.12XA, T26.12XD, T26.12XS
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 T26.12 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
- H10.21 — Acute toxic conjunctivitis [Excludes1](via T26.-): “burn and corrosion of eye and adnexa (T26.-)”
Referenced by Excludes2 notes
- T20 — Burn and corrosion of head, face, and neck [Excludes2](via T26.-): “burn and corrosion of eye and adnexa (T26.-)”
Nearest codes (40)
- T26 — Burn and corrosion confined to eye and adnexa [Sibling]
- T26.00XA — Burn of unspecified eyelid and periocular area, initial encounter [Sibling]
- T26.00XD — Burn of unspecified eyelid and periocular area, subsequent encounter [Sibling]
- T26.00XS — Burn of unspecified eyelid and periocular area, sequela [Sibling]
- T26.01 — Burn of right eyelid and periocular area [Sibling]
- T26.01XA — Burn of right eyelid and periocular area, initial encounter [Sibling]
- T26.01XD — Burn of right eyelid and periocular area, subsequent encounter [Sibling]
- T26.01XS — Burn of right eyelid and periocular area, sequela [Sibling]
- and 32 more
Referenced by Other Codes
Official ICD-10-CM tabular notes on other codes that name T26.12 or its code family.
1 Excludes1 notes: H10.21 (via T26.-).
1 Excludes2 notes: T20 (via T26.-).
Frequently Asked Questions (FAQ) & Clinical Guidance
Can T26.12 be billed directly?
No. T26.12 (Burn of cornea and conjunctival sac, left eye) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Does T26.12 require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category T26.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to T26.12 in its code family, with their registry titles.
- T26.10XS — Burn of cornea and conjunctival sac, unspecified eye, sequela
- T26.11 — Burn of cornea and conjunctival sac, right eye
- T26.11XA — Burn of cornea and conjunctival sac, right eye, initial encounter
- T26.11XD — Burn of cornea and conjunctival sac, right eye, subsequent encounter
- T26.11XS — Burn of cornea and conjunctival sac, right eye, sequela
- T26.12XA — Burn of cornea and conjunctival sac, left eye, initial encounter
- T26.12XD — Burn of cornea and conjunctival sac, left eye, subsequent encounter
- T26.12XS — Burn of cornea and conjunctival sac, left eye, sequela
- T26.2 — Burn with resulting rupture and destruction of eyeball
- T26.20 — Burn with resulting rupture and destruction of unspecified eyeball