2017/18 ICD-10-CM Diagnosis Code T45.4X6A

Underdosing of iron and its compounds, initial encounter

The following code(s) above T45.4X6A 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 T45.4X6A:
  • S00-T88
    2018 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
    2018 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
  • T45.4X6
    ICD-10-CM Diagnosis Code T45.4X6

    Underdosing of iron and its compounds

      2016 2017 2018 Non-Billable/Non-Specific Code
    Type 1 Excludes
    Underdosing of iron and its compounds
ICD-10-CM T45.4X6A is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert T45.4X6A to ICD-9-CM

Code History
ICD-10-CM Codes Adjacent To T45.4X6A
T45.4X3S …… sequela
T45.4X4 Poisoning by iron and its compounds, undetermined
T45.4X4A …… initial encounter
T45.4X4D …… subsequent encounter
T45.4X4S …… sequela
T45.4X5 Adverse effect of iron and its compounds
T45.4X5A …… initial encounter
T45.4X5D …… subsequent encounter
T45.4X5S …… sequela
T45.4X6 Underdosing of iron and its compounds
T45.4X6A …… initial encounter
T45.4X6D …… subsequent encounter
T45.4X6S …… sequela
T45.5 Poisoning by, adverse effect of and underdosing of anticoagulants and antithrombotic drugs
T45.51 Poisoning by, adverse effect of and underdosing of anticoagulants
T45.511 Poisoning by anticoagulants, accidental (unintentional)
T45.511A …… initial encounter
T45.511D …… subsequent encounter
T45.511S …… sequela
T45.512 Poisoning by anticoagulants, intentional self-harm
T45.512A …… initial encounter

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