T50.B15A
✓ Billable
Adverse effect of smallpox vaccines, initial encounter
ICD-10-CM · FY2026 · Injury, Poisoning and Certain Other Consequences of External Causes
Code
T50.B15A
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Injury, Poisoning and Certain Other Consequences of External Causes
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code T50.B15A?
ICD-10-CM code T50.B15A represents Adverse effect of smallpox vaccines, initial encounter. It is a billable diagnosis code in the Injury, Poisoning and Certain Other Consequences of External Causes chapter, effective October 1, 2025 – September 30, 2026.
Is T50.B15A billable?
Yes. T50.B15A is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is T50.B15A in?
T50.B15A belongs to the Injury, Poisoning and Certain Other Consequences of External Causes chapter (S00–T88) of ICD-10-CM.
Related codes in the T50 category
T50
Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances
Non-billable
T50.0
Poisoning by, adverse effect of and underdosing of mineralocorticoids and their antagonists
Non-billable
T50.1
Poisoning by, adverse effect of and underdosing of loop [high-ceiling] diuretics
Non-billable
T50.2
Poisoning by, adverse effect of and underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics
Non-billable
T50.3
Poisoning by, adverse effect of and underdosing of electrolytic, caloric and water-balance agents
Non-billable
T50.4
Poisoning by, adverse effect of and underdosing of drugs affecting uric acid metabolism
Non-billable
T50.5
Poisoning by, adverse effect of and underdosing of appetite depressants
Non-billable
T50.6
Poisoning by, adverse effect of and underdosing of antidotes and chelating agents
Non-billable
Search all 98,186 ICD-10-CM codes instantly
Search ICDwise →