T80.818A — Extravasation of other vesicant agent, initial encounter
Is T80.818A billable?
Yes — T80.818A is billable for FY2027. T80.818A is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. T80.818A may be submitted for encounters from October 1, 2026 through September 30, 2027.
T80.818A at a glance
| Code | T80.818A |
|---|---|
| Description | Extravasation of other vesicant agent, 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 T80.818A?
In T80.818A, the 7th character A means initial encounter. The 7th character is required for T80.818A to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T80.818A group to?
T80.818A sits in MDC 05 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 314Other Circulatory System Diagnoses with MCCmedical
- 315Other Circulatory System Diagnoses with CCmedical
- 316Other Circulatory System Diagnoses without CC/MCCmedical
As a secondary diagnosis, T80.818A is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is T80.818A listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T80.818, the nearest indexed parent of T80.818A. Use them to find the family, then select the specific code.
- Extravasation › vesicant agent › other agent NEC
- Infiltrate, infiltration › vesicant agent › other agent NEC
Inclusion terms
Alternative wording in documentation that is classified to T80.818A.
- Infiltration of other vesicant agent
Use additional code — inherited from Chapter 19
Report an additional code alongside T80.818A to fully describe the condition. T80.818A is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from T80-T88
Report an additional code alongside T80.818A to fully describe the condition. T80.818A is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T80.818A, but a patient may have both at the same time. When documentation supports it, T80.818A and the excluded code may both be reported.
Excludes2 — not included here — inherited from T80-T88
The conditions below are not part of T80.818A, but a patient may have both at the same time. When documentation supports it, T80.818A and the excluded code may both be reported.
- any encounters with medical care for postprocedural conditions in which no complications are present, such as:
- artificial opening status (Z93.-)
- closure of external stoma (Z43.-)
- fitting and adjustment of external prosthetic device (Z44.-)
- burns and corrosions from local applications and irradiation (T20-T32)
- complications of surgical procedures during pregnancy, childbirth and the puerperium (O00-O9A)
- mechanical complication of respirator [ventilator] (J95.850)
- poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4 or 6)
- postprocedural fever (R50.82)
- specified complications classified elsewhere, such as:
- cerebrospinal fluid leak from spinal puncture (G97.0)
- colostomy malfunction (K94.0-)
- disorders of fluid and electrolyte imbalance (E86-E87)
- functional disturbances following cardiac surgery (I97.0-I97.1)
- intraoperative and postprocedural complications of specified body systems (D78.-, E36.-, E89.-, G97.3-, G97.4, H59.3-, H59.-, H95.2-, H95.3, I97.4-, I97.5, J95.6-, J95.7, K91.6-, L76.-, M96.-, N99.-)
- ostomy complications (J95.0-, K94.-, N99.5-)
- postgastric surgery syndromes (K91.1)
- postlaminectomy syndrome NEC (M96.1)
- postmastectomy lymphedema syndrome (I97.2)
- postsurgical blind-loop syndrome (K91.2)
- ventilator associated pneumonia (J95.851)
Excludes2 — not included here — inherited from T80
The conditions below are not part of T80.818A, but a patient may have both at the same time. When documentation supports it, T80.818A and the excluded code may both be reported.
- bone marrow transplant rejection (T86.01)
- febrile nonhemolytic transfusion reaction (R50.84)
- fluid overload due to transfusion (E87.71)
- posttransfusion purpura (D69.51)
- transfusion associated circulatory overload (TACO) (E87.71)
- transfusion (red blood cell) associated hemochromatosis (E83.111)
- transfusion related acute lung injury (TRALI) (J95.84)
How long has T80.818A existed?
T80.818A 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.