AutoICD API

T46.1X6

Non-billable

Underdosing of calcium-channel blockers

Underdosing of calcium-channel blockers

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

T46.1X

Child Codes

3

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)

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 (3)

T46.1X6A

Underdosing of calcium-channel blockers, initial encounter

BillableT46.1X6D

Underdosing of calcium-channel blockers, subs encntr

BillableT46.1X6S

Underdosing of calcium-channel blockers, sequela

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is the ICD-10 code for underdosing of calcium-channel blockers?

The ICD-10-CM code for underdosing of calcium-channel blockers is T46.1X6. The full clinical description is "Underdosing of calcium-channel blockers". T46.1X6 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code T46.1X6 mean?

ICD-10-CM code T46.1X6 represents "Underdosing of calcium-channel blockers". 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 T46.1X6 a billable code?

No, T46.1X6 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under T46.1X6.

What chapter is T46.1X6 in?

T46.1X6 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with T46.1X6?

T46.1X6 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 T46.1X6?

T46.1X6 has 3 child codes, including: T46.1X6A (Underdosing of calcium-channel blockers, initial encounter), T46.1X6D (Underdosing of calcium-channel blockers, subs encntr), T46.1X6S (Underdosing of calcium-channel blockers, sequela).

Are additional codes required with T46.1X6?

Yes, when using T46.1X6 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 T46.1X6?

T46.1X6 is linked to 1 UMLS Concept Unique Identifier: C2879428. 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.