2021

  1. ICD-10-CM Codes
    2. ›
  2. E00-E89 Endocrine, nutritional and metabolic diseases
    3. ›
  3. E00-E07 Disorders of thyroid gland
    4. ›
  4. E03- Other hypothyroidism
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code E03.2

2021 ICD-10-CM Diagnosis Code E03.2

Hypothyroidism due to medicaments and other exogenous substances

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • E03.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Hypothyroidism due to meds and oth exogenous substances
  • The 2021 edition of ICD-10-CM E03.2 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of E03.2 - other international versions of ICD-10 E03.2 may differ.
Use Additional
Use Additional Help
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
  • code for adverse effect, if applicable, to identify drug (T36-T50
    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-)
    • T36 Poisoning by, adverse effect of and unde...
    • T37 Poisoning by, adverse effect of and unde...
    • T38 Poisoning by, adverse effect of and unde...
    • T39 Poisoning by, adverse effect of and unde...
    • T40 Poisoning by, adverse effect of and unde...
    • T41 Poisoning by, adverse effect of and unde...
    • T42 Poisoning by, adverse effect of and unde...
    • T43 Poisoning by, adverse effect of and unde...
    • T44 Poisoning by, adverse effect of and unde...
    • T45 Poisoning by, adverse effect of and unde...
    • T46 Poisoning by, adverse effect of and unde...
    • T47 Poisoning by, adverse effect of and unde...
    • T48 Poisoning by, adverse effect of and unde...
    • T49 Poisoning by, adverse effect of and unde...
    • T50 Poisoning by, adverse effect of and unde...
    with fifth or sixth character 5)
Code First
Code First Help
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions, ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
  • poisoning due to drug or toxin, if applicable (
    ICD-10-CM Diagnosis Code T36

    Poisoning by, adverse effect of and underdosing of systemic antibiotics

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • antineoplastic antibiotics (T45.1-)
    • locally applied antibiotic NEC (T49.0)
    • topically used antibiotic for ear, nose and throat (T49.6)
    • topically used antibiotic for eye (T49.5)
    T36
    -
    ICD-10-CM Diagnosis Code T65

    Toxic effect of other and unspecified substances

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    T65
    with fifth or sixth character 1-4 or 6)
The following code(s) above E03.2 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 E03.2:
  • E00-E89
    2021 ICD-10-CM Range E00-E89

    Endocrine, nutritional and metabolic diseases

    Note
    • All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.
    Type 1 Excludes
    • transitory endocrine and metabolic disorders specific to newborn (P70-P74)
    Endocrine, nutritional and metabolic diseases
  • E03
    ICD-10-CM Diagnosis Code E03

    Other hypothyroidism

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • iodine-deficiency related hypothyroidism (E00-E02)
    • postprocedural hypothyroidism (E89.0)
    Other hypothyroidism
Approximate Synonyms
  • Drug induced hypothyroidism
  • Drug induced hypothyroidism, amiodarone
  • Hypothyroidism due to amiodarone
  • Hypothyroidism due to drug
  • Hypothyroidism due to drug or other exogenous substance
  • Hypothyroidism, iatrogenic
  • Iatrogenic hypothyroidism
ICD-10-CM E03.2 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 643 Endocrine disorders with mcc
  • 644 Endocrine disorders with cc
  • 645 Endocrine disorders without cc/mcc

Convert E03.2 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

Diagnosis Index entries containing back-references to E03.2:
  • Hypothyroidism (acquired) E03.9
    ICD-10-CM Diagnosis Code E03.9

    Hypothyroidism, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Myxedema NOS
    • due to
      • exogenous substance NEC E03.2
      • medicament NEC E03.2
      • P-aminosalicylic acid E03.2 (PAS)
      • phenylbutazone E03.2
      • resorcinol E03.2
      • sulfonamide E03.2
      • thiourea group drugs E03.2
    • iatrogenic NEC E03.2

ICD-10-CM Codes Adjacent To E03.2
E00.9 Congenital iodine-deficiency syndrome, unspecified
E01 Iodine-deficiency related thyroid disorders and allied conditions
E01.0 Iodine-deficiency related diffuse (endemic) goiter
E01.1 Iodine-deficiency related multinodular (endemic) goiter
E01.2 Iodine-deficiency related (endemic) goiter, unspecified
E01.8 Other iodine-deficiency related thyroid disorders and allied conditions
E02 Subclinical iodine-deficiency hypothyroidism
E03 Other hypothyroidism
E03.0 Congenital hypothyroidism with diffuse goiter
E03.1 Congenital hypothyroidism without goiter
E03.2 Hypothyroidism due to medicaments and other exogenous substances
E03.3 Postinfectious hypothyroidism
E03.4 Atrophy of thyroid (acquired)
E03.5 Myxedema coma
E03.8 Other specified hypothyroidism
E03.9 Hypothyroidism, unspecified
E04 Other nontoxic goiter
E04.0 Nontoxic diffuse goiter
E04.1 Nontoxic single thyroid nodule
E04.2 Nontoxic multinodular goiter
E04.8 Other specified nontoxic goiter

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

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