T50.B — Poisoning by, adverse effect of and underdosing of viral vaccines
Is T50.B billable?
No — T50.B is a non-billable header code. T50.B groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 36 billable codes beneath T50.B.
Billable codes under this header
- T50.B11APoisoning by smallpox vaccines, accidental (unintentional), initial encounter
- T50.B11DPoisoning by smallpox vaccines, accidental (unintentional), subsequent encounter
- T50.B11SPoisoning by smallpox vaccines, accidental (unintentional), sequela
- T50.B12APoisoning by smallpox vaccines, intentional self-harm, initial encounter
- T50.B12DPoisoning by smallpox vaccines, intentional self-harm, subsequent encounter
- T50.B12SPoisoning by smallpox vaccines, intentional self-harm, sequela
- T50.B13APoisoning by smallpox vaccines, assault, initial encounter
- T50.B13DPoisoning by smallpox vaccines, assault, subsequent encounter
- T50.B13SPoisoning by smallpox vaccines, assault, sequela
- T50.B14APoisoning by smallpox vaccines, undetermined, initial encounter
- T50.B14DPoisoning by smallpox vaccines, undetermined, subsequent encounter
- T50.B14SPoisoning by smallpox vaccines, undetermined, sequela
- T50.B15AAdverse effect of smallpox vaccines, initial encounter
- T50.B15DAdverse effect of smallpox vaccines, subsequent encounter
- T50.B15SAdverse effect of smallpox vaccines, sequela
- T50.B16AUnderdosing of smallpox vaccines, initial encounter
- T50.B16DUnderdosing of smallpox vaccines, subsequent encounter
- T50.B16SUnderdosing of smallpox vaccines, sequela
- T50.B91APoisoning by other viral vaccines, accidental (unintentional), initial encounter
- T50.B91DPoisoning by other viral vaccines, accidental (unintentional), subsequent encounter
- T50.B91SPoisoning by other viral vaccines, accidental (unintentional), sequela
- T50.B92APoisoning by other viral vaccines, intentional self-harm, initial encounter
- T50.B92DPoisoning by other viral vaccines, intentional self-harm, subsequent encounter
- T50.B92SPoisoning by other viral vaccines, intentional self-harm, sequela
- T50.B93APoisoning by other viral vaccines, assault, initial encounter
- T50.B93DPoisoning by other viral vaccines, assault, subsequent encounter
- T50.B93SPoisoning by other viral vaccines, assault, sequela
- T50.B94APoisoning by other viral vaccines, undetermined, initial encounter
- T50.B94DPoisoning by other viral vaccines, undetermined, subsequent encounter
- T50.B94SPoisoning by other viral vaccines, undetermined, sequela
- T50.B95AAdverse effect of other viral vaccines, initial encounter
- T50.B95DAdverse effect of other viral vaccines, subsequent encounter
- T50.B95SAdverse effect of other viral vaccines, sequela
- T50.B96AUnderdosing of other viral vaccines, initial encounter
- T50.B96DUnderdosing of other viral vaccines, subsequent encounter
- T50.B96SUnderdosing of other viral vaccines, sequela
T50.B at a glance
| Code | T50.B |
|---|---|
| Description | Poisoning by, adverse effect of and underdosing of viral vaccines |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together — inherited from T36-T50
The conditions below can never be reported together with T50.B on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- toxic reaction to local anesthesia in pregnancy (O29.3-)
Code first — inherited from T36-T50
The underlying condition below must be sequenced before T50.B. T50.B describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside T50.B to fully describe the condition. T50.B is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from T36-T50
Report an additional code alongside T50.B to fully describe the condition. T50.B is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T50.B, but a patient may have both at the same time. When documentation supports it, T50.B and the excluded code may both be reported.
Excludes2 — not included here — inherited from T36-T50
The conditions below are not part of T50.B, but a patient may have both at the same time. When documentation supports it, T50.B and the excluded code may both be reported.
What codes fall under T50.B? (2)
How long has T50.B existed?
T50.B 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.
What other codes are in the T50 family? (12)
- T50.0Poisoning by, adverse effect of and underdosing of mineralocorticoids and their antagonistsnot billable
- T50.1Poisoning by, adverse effect of and underdosing of loop [high-ceiling] diureticsnot billable
- T50.2Poisoning by, adverse effect of and underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diureticsnot billable
- T50.3Poisoning by, adverse effect of and underdosing of electrolytic, caloric and water-balance agentsnot billable
- T50.4Poisoning by, adverse effect of and underdosing of drugs affecting uric acid metabolismnot billable
- T50.5Poisoning by, adverse effect of and underdosing of appetite depressantsnot billable
- T50.6Poisoning by, adverse effect of and underdosing of antidotes and chelating agentsnot billable
- T50.7Poisoning by, adverse effect of and underdosing of analeptics and opioid receptor antagonistsnot billable
- T50.8Poisoning by, adverse effect of and underdosing of diagnostic agentsnot billable
- T50.APoisoning by, adverse effect of and underdosing of bacterial vaccinesnot billable
- T50.ZPoisoning by, adverse effect of and underdosing of other vaccines and biological substancesnot billable
- T50.9Poisoning by, adverse effect of and underdosing of other and unspecified drugs, medicaments and biological substancesnot billable