2020 ICD-10-CM Diagnosis Code T39.4

Poisoning by, adverse effect of and underdosing of antirheumatics, not elsewhere classified

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • T39.4 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • Short description: Antirheumatics, not elsewhere classified
  • The 2020 edition of ICD-10-CM T39.4 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of T39.4 - other international versions of ICD-10 T39.4 may differ.
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as T39.4. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • poisoning by, adverse effect of and underdosing of glucocorticoids (
    ICD-10-CM Diagnosis Code T38.0

    Poisoning by, adverse effect of and underdosing of glucocorticoids and synthetic analogues

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • glucocorticoids, topically used (T49.-)
    T38.0-
    )
  • poisoning by, adverse effect of and underdosing of salicylates (
    ICD-10-CM Diagnosis Code T39.0

    Poisoning by, adverse effect of and underdosing of salicylates

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    T39.0-
    )
The following code(s) above T39.4 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 T39.4:
  • S00-T88
    2020 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
    2020 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.-)
    • 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
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
ICD-10-CM Codes Adjacent To T39.4
T39.394D …… subsequent encounter
T39.394S …… sequela
T39.395 Adverse effect of other nonsteroidal anti-inflammatory drugs [NSAID]
T39.395A …… initial encounter
T39.395D …… subsequent encounter
T39.395S …… sequela
T39.396 Underdosing of other nonsteroidal anti-inflammatory drugs [NSAID]
T39.396A …… initial encounter
T39.396D …… subsequent encounter
T39.396S …… sequela
T39.4 Poisoning by, adverse effect of and underdosing of antirheumatics, not elsewhere classified
T39.4X Poisoning by, adverse effect of and underdosing of antirheumatics, not elsewhere classified
T39.4X1 Poisoning by antirheumatics, not elsewhere classified, accidental (unintentional)
T39.4X1A …… initial encounter
T39.4X1D …… subsequent encounter
T39.4X1S …… sequela
T39.4X2 Poisoning by antirheumatics, not elsewhere classified, intentional self-harm
T39.4X2A …… initial encounter
T39.4X2D …… subsequent encounter
T39.4X2S …… sequela
T39.4X3 Poisoning by antirheumatics, not elsewhere classified, assault

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