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ICD-10-CM Current in FY 2027

T50.B16

Underdosing of smallpox vaccines

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where T50.B16 sits in the official hierarchy. Each level is the code it is classified under.

  1. T50 Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances
  2. T50.B Poisoning by, adverse effect of and underdosing of viral vaccines
  3. T50.B1 Parent Poisoning by, adverse effect of and underdosing of smallpox vaccines
  4. T50.B16 This code Underdosing of smallpox vaccines

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

7th Character

The appropriate 7th character is to be added to each code from category T50

Inherited from T50 — Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances

7th Character

A - initial encounter

Inherited from T50 — Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances

7th Character

D - subsequent encounter

Inherited from T50 — Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances

7th Character

S - sequela

Inherited from T50 — Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances

More Specific Codes

3 codes under T50.B16

Version History

How T50.B16 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Underdosing of smallpox vaccines

  2. FY 2026 Effective

    Unchanged

    Underdosing of smallpox vaccines

Related Codes

Other codes under T50.B1

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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