T26.52XD — Corrosion of left eyelid and periocular area, subsequent encounter
Is T26.52XD billable?
Yes — T26.52XD is billable for FY2027. T26.52XD is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. T26.52XD may be submitted for encounters from October 1, 2026 through September 30, 2027.
T26.52XD at a glance
| Code | T26.52XD |
|---|---|
| Description | Corrosion of left eyelid and periocular area, subsequent encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "D" | subsequent encounter |
What does the 7th character "D" mean in T26.52XD?
In T26.52XD, the 7th character D means subsequent encounter. The 7th character is required for T26.52XD to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T26.52XD group to?
T26.52XD sits in MDC 23 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.
- 949Aftercare with CC/MCCmedical
- 950Aftercare without CC/MCCmedical
How is T26.52XD listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T26.5, the nearest indexed parent of T26.52XD. 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 T26.52XD. T26.52XD 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 T26.52XD to fully describe the condition. T26.52XD 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 T26.52XD to fully describe the condition. T26.52XD 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 T26.52XD, but a patient may have both at the same time. When documentation supports it, T26.52XD and the excluded code may both be reported.
How long has T26.52XD existed?
T26.52XD 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.