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T46.5X

Non-billable

Antihypertensive drugs

Poisoning by, adverse effect of and underdosing of other antihypertensive drugs

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

T36-T50

Parent Code

T46.5

Child Codes

6

Coding Notes

Includes

Conditions included under this code

  • 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

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)
  • toxic reaction to local anesthesia in pregnancy (O29.3-)
  • poisoning by, adverse effect of and underdosing of metaraminol (T44.4)

Excludes 2

Conditions not included here, but the patient may have both

  • 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)
  • poisoning by, adverse effect of and underdosing of beta-adrenoreceptor antagonists (T44.7)
  • poisoning by, adverse effect of and underdosing of calcium-channel blockers (T46.1)
  • poisoning by, adverse effect of and underdosing of diuretics (T50.0-T50.2)

Code First

The underlying condition must be sequenced before this code

  • , 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)

Use Additional Code

Additional codes that should follow this code

  • code to identify any retained foreign body, if applicable (Z18.-)
  • 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-)

Child Codes (6)

T46.5X1

Poisoning by oth antihypertn drugs, accidental

T46.5X2

Poisoning by oth antihypertensive drugs, self-harm

T46.5X3

Poisoning by other antihypertensive drugs, assault

T46.5X4

Poisoning by other antihypertensive drugs, undetermined

T46.5X5

Adverse effect of other antihypertensive drugs

T46.5X6

Underdosing of other antihypertensive drugs

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is the ICD-10 code for antihypertensive drugs?

The ICD-10-CM code for antihypertensive drugs is T46.5X. The full clinical description is "Poisoning by, adverse effect of and underdosing of other antihypertensive drugs". T46.5X is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code T46.5X mean?

ICD-10-CM code T46.5X represents "Poisoning by, adverse effect of and underdosing of other antihypertensive drugs". It is classified under Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes and is a non-billable header code. Use a more specific child code for billing purposes.

Is T46.5X a billable code?

No, T46.5X is a non-billable header code. You need to use one of its more specific child codes for billing. There are 6 child codes under T46.5X.

What chapter is T46.5X in?

T46.5X is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with T46.5X?

T46.5X has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71); toxic reaction to local anesthesia in pregnancy (O29.3-); and 1 more.

What are the subcategories under T46.5X?

T46.5X has 6 child codes, including: T46.5X1 (Poisoning by oth antihypertn drugs, accidental), T46.5X2 (Poisoning by oth antihypertensive drugs, self-harm), T46.5X3 (Poisoning by other antihypertensive drugs, assault), T46.5X4 (Poisoning by other antihypertensive drugs, undetermined), and 2 more.

Are additional codes required with T46.5X?

Yes, when using T46.5X you should also code: code to identify any retained foreign body, if applicable (Z18.-); 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-).

What are the UMLS CUIs for T46.5X?

T46.5X is linked to 1 UMLS Concept Unique Identifier: C2879510. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.