T26.51XA — Corrosion of right eyelid and periocular area, initial encounter
Is T26.51XA billable?
Yes — T26.51XA is billable for FY2027. T26.51XA is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. T26.51XA may be submitted for encounters from October 1, 2026 through September 30, 2027.
T26.51XA at a glance
| Code | T26.51XA |
|---|---|
| Description | Corrosion of right eyelid and periocular area, initial encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "A" | initial encounter |
What does the 7th character "A" mean in T26.51XA?
In T26.51XA, the 7th character A means initial encounter. The 7th character is required for T26.51XA to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T26.51XA group to?
T26.51XA sits in MDC 02 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 124Other Disorders of the Eye with MCC or Thrombolytic Agentmedical
- 125Other Disorders of the Eye without MCCmedical
How is T26.51XA listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T26.5, the nearest indexed parent of T26.51XA. Use them to find the family, then select the specific code.
- Corrosion › eyelid (injury) (acid) (caustic) (chemical) (lime) (external) (internal)
Code first — inherited from T26.5
The underlying condition below must be sequenced before T26.51XA. T26.51XA describes a manifestation and cannot be the principal or first-listed diagnosis.
- (T51-T65) to identify chemical and intent
Use additional code — inherited from Chapter 19
Report an additional code alongside T26.51XA to fully describe the condition. T26.51XA is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from T26.5
Report an additional code alongside T26.51XA to fully describe the condition. T26.51XA is sequenced first.
- external cause code to identify place (Y92)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T26.51XA, but a patient may have both at the same time. When documentation supports it, T26.51XA and the excluded code may both be reported.
How long has T26.51XA existed?
T26.51XA 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.