2023 ICD-10-CM Diagnosis Code T50.Z95A

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Adverse effect of other vaccines and biological substances, initial encounter

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • T50.Z95A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Adverse effect of vaccines and biological substances, init
  • The 2023 edition of ICD-10-CM T50.Z95A became effective on October 1, 2022.
  • This is the American ICD-10-CM version of T50.Z95A - other international versions of ICD-10 T50.Z95A may differ.
The following code(s) above T50.Z95A contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to T50.Z95A:
  • S00-T88
    2023 ICD-10-CM Range S00-T88

    Injury, poisoning and certain other consequences of external causes

    Note
    • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
    Type 1 Excludes
    Use Additional
    • code to identify any retained foreign body, if applicable (Z18.-)
    Injury, poisoning and certain other consequences of external causes
  • T36-T50
    2023 ICD-10-CM Range T36-T50

    Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances

    Code First
    • , for adverse effects, the nature of the adverse effect, such as:
    • adverse effect NOS (T88.7)
    • aspirin gastritis (K29.-)
    • blood disorders (D56-D76)
    • contact dermatitis (L23-L25)
    • dermatitis due to substances taken internally (L27.-)
    • nephropathy (N14.0-N14.2)
    Includes
    • adverse effect of correct substance properly administered
    • poisoning by overdose of substance
    • poisoning by wrong substance given or taken in error
    • underdosing by (inadvertently) (deliberately) taking less substance than prescribed or instructed
    Note
    • The drug giving rise to the adverse effect should be identified by use of codes from categories T36-T50 with fifth or sixth character 5.
    Type 1 Excludes
    • toxic reaction to local anesthesia in pregnancy (O29.3-)
    Type 2 Excludes
    • abuse and dependence of psychoactive substances (F10-F19)
    • abuse of non-dependence-producing substances (F55.-)
    • immunodeficiency due to drugs (D84.821)
    • drug reaction and poisoning affecting newborn (P00-P96)
    • pathological drug intoxication (inebriation) (F10-F19)
    Use Additional
    • code(s) to specify:
    • manifestations of poisoning
    • underdosing or failure in dosage during medical and surgical care (Y63.6, Y63.8-Y63.9)
    • underdosing of medication regimen (Z91.12-, Z91.13-)
    Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances
Approximate Synonyms
  • Adverse effect of vaccine
  • Vaccines adverse reaction
ICD-10-CM T50.Z95A is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 791 Prematurity with major problems
  • 793 Full term neonate with major problems
  • 917 Poisoning and toxic effects of drugs with mcc
  • 918 Poisoning and toxic effects of drugs without mcc

Convert T50.Z95A to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
ICD-10-CM Codes Adjacent To T50.Z95A
T50.Z92S …… sequela
T50.Z93 Poisoning by other vaccines and biological substances, assault
T50.Z93A …… initial encounter
T50.Z93D …… subsequent encounter
T50.Z93S …… sequela
T50.Z94 Poisoning by other vaccines and biological substances, undetermined
T50.Z94A …… initial encounter
T50.Z94D …… subsequent encounter
T50.Z94S …… sequela
T50.Z95 Adverse effect of other vaccines and biological substances
T50.Z95A …… initial encounter
T50.Z95D …… subsequent encounter
T50.Z95S …… sequela
T50.Z96 Underdosing of other vaccines and biological substances
T50.Z96A …… initial encounter
T50.Z96D …… subsequent encounter
T50.Z96S …… sequela
T50.9 Poisoning by, adverse effect of and underdosing of other and unspecified drugs, medicaments and biological substances
T50.90 Poisoning by, adverse effect of and underdosing of unspecified drugs, medicaments and biological substances
T50.901 Poisoning by unspecified drugs, medicaments and biological substances, accidental (unintentional)
T50.901A …… initial encounter

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.