T38.991S

Poisoning by other hormone antagonists, accidental (unintentional), sequela

Billable / specificPOA exempt

T38.991S is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes (from T38)

  • 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: 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
  • Note: The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
  • 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.

Excludes1

Not coded here — never report together with this code.

  • toxic reaction to local anesthesia in pregnancy (O29.3-) (from T38)
  • mineralocorticoids and their antagonists (T50.0-) (from T38)
  • oxytocic hormones (T48.0-) (from T38)
  • parathyroid hormones and derivatives (T50.9-) (from T38)

Excludes2

Not included here — may be reported together when both conditions exist.

  • birth trauma (P10-P15) (from T38)
  • obstetric trauma (O70-O71) (from T38)
  • abuse and dependence of psychoactive substances (F10-F19) (from T38)
  • abuse of non-dependence-producing substances (F55.-) (from T38)
  • immunodeficiency due to drugs (D84.821) (from T38)
  • drug reaction and poisoning affecting newborn (P00-P96) (from T38)
  • pathological drug intoxication (inebriation) (F10-F19) (from T38)

Code first

Sequence the underlying condition first.

  • , for adverse effects, the nature of the adverse effect, such as: (from T38)
  • adverse effect NOS (T88.7) (from T38)
  • aspirin gastritis (K29.-) (from T38)
  • blood disorders (D56-D76) (from T38)
  • contact dermatitis (L23-L25) (from T38)
  • dermatitis due to substances taken internally (L27.-) (from T38)
  • nephropathy (N14.0-N14.2) (from T38)

Use additional code

Add a code to identify the following, if applicable.

  • code to identify any retained foreign body, if applicable (Z18.-) (from T38)
  • code(s) to specify: (from T38)
  • manifestations of poisoning (from T38)
  • underdosing or failure in dosage during medical and surgical care (Y63.6, Y63.8-Y63.9) (from T38)
  • underdosing of medication regimen (Z91.12-, Z91.13-) (from T38)

7th character

The 7th character values that apply to this code (defined at T38). Use the placeholder "X" for missing positions.

CharacterMeaning
Ainitial encounter
Dsubsequent encounter
Ssequela

Parent code

  • T38.991Poisoning by other hormone antagonists, accidental (unintentional)Needs 7th char

Related codes

  • T38.991APoisoning by other hormone antagonists, accidental (unintentional), initial encounterBillable
  • T38.991DPoisoning by other hormone antagonists, accidental (unintentional), subsequent encounterBillable

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