T80.62XA — Other serum reaction due to vaccination, initial encounter
Is T80.62XA billable?
Yes — T80.62XA is billable for FY2027. T80.62XA is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. T80.62XA may be submitted for encounters from October 1, 2026 through September 30, 2027.
T80.62XA at a glance
| Code | T80.62XA |
|---|---|
| Description | Other serum reaction due to vaccination, 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 T80.62XA?
In T80.62XA, the 7th character A means initial encounter. The 7th character is required for T80.62XA to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T80.62XA group to?
T80.62XA sits in MDC 15 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 791Prematurity with Major Problemsmedical
As a secondary diagnosis, T80.62XA is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is T80.62XA listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T80.62, the nearest indexed parent of T80.62XA. Use them to find the family, then select the specific code.
- Complication › vaccination › protein sickness (s) (from) (of)
- Complication › vaccination › serum intoxication, sickness, rash, or other serum reaction NEC (s) (from) (of)
- Complication › vaccination › reaction › serum (s) (from) (of)
- Reaction › serum › specified reaction NEC › due to › immunization
- Reaction › serum › specified reaction NEC › due to › vaccination
Use additional code — inherited from Chapter 19
Report an additional code alongside T80.62XA to fully describe the condition. T80.62XA 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 T80.62XA to fully describe the condition. T80.62XA is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T80.62XA, but a patient may have both at the same time. When documentation supports it, T80.62XA and the excluded code may both be reported.
Excludes2 — not included here — inherited from T80-T88
The conditions below are not part of T80.62XA, but a patient may have both at the same time. When documentation supports it, T80.62XA 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 T80.62XA, but a patient may have both at the same time. When documentation supports it, T80.62XA 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)
Excludes2 — not included here — inherited from T80.6
The conditions below are not part of T80.62XA, but a patient may have both at the same time. When documentation supports it, T80.62XA and the excluded code may both be reported.
- serum hepatitis (B16-B19)
How long has T80.62XA existed?
T80.62XA 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.