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T45.AX1

Non-billable

Poisoning by immune chkpt inhibtr/immunostim drugs, acc

Poisoning by immune checkpoint inhibitors and immunostimulant drugs, accidental (unintentional)

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

T45.AX

Child Codes

3

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Poisoning by immune checkpoint inhibitors and immunosuppressive drugs NOS

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 antineoplastic and immunosuppressive drug (T45.1)

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)

T45.AX1A

Poisn by immune chkpt inhibtr/immunostim drugs, acc, init

BillableT45.AX1D

Poisn by immune chkpt inhibtr/immunostim drugs, acc, subs

BillableT45.AX1S

Poisn by immune chkpt inhibtr/immunostim drugs, acc, sqla

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is the ICD-10 code for poisoning by immune chkpt inhibtr/immunostim drugs, acc?

The ICD-10-CM code for poisoning by immune chkpt inhibtr/immunostim drugs, acc is T45.AX1. The full clinical description is "Poisoning by immune checkpoint inhibitors and immunostimulant drugs, accidental (unintentional)". T45.AX1 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code T45.AX1 mean?

ICD-10-CM code T45.AX1 represents "Poisoning by immune checkpoint inhibitors and immunostimulant drugs, accidental (unintentional)". 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 T45.AX1 a billable code?

No, T45.AX1 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 T45.AX1.

What chapter is T45.AX1 in?

T45.AX1 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with T45.AX1?

T45.AX1 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 T45.AX1?

T45.AX1 has 3 child codes, including: T45.AX1A (Poisn by immune chkpt inhibtr/immunostim drugs, acc, init), T45.AX1D (Poisn by immune chkpt inhibtr/immunostim drugs, acc, subs), T45.AX1S (Poisn by immune chkpt inhibtr/immunostim drugs, acc, sqla).

Are additional codes required with T45.AX1?

Yes, when using T45.AX1 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 T45.AX1?

T45.AX1 is linked to 2 UMLS Concept Unique Identifiers: C5926763, C5926969. 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.