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T48.99

Non-billable

Agents primarily acting on the respiratory system

Poisoning by, adverse effect of and underdosing of other agents primarily acting on the respiratory system

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

T48.9

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-)

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 (6)

T48.991

Poisn by oth agents primarily acting on the resp sys, acc

T48.992

Poisn by oth agents prim acting on the resp sys, self-harm

T48.993

Poisn by oth agents prim acting on the resp sys, assault

T48.994

Poisn by oth agents primarily acting on the resp sys, undet

T48.995

Adverse effect of agents primarily acting on the resp sys

T48.996

Underdosing of agents primarily acting on the resp sys

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is the ICD-10 code for agents primarily acting on the respiratory system?

The ICD-10-CM code for agents primarily acting on the respiratory system is T48.99. The full clinical description is "Poisoning by, adverse effect of and underdosing of other agents primarily acting on the respiratory system". T48.99 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code T48.99 mean?

ICD-10-CM code T48.99 represents "Poisoning by, adverse effect of and underdosing of other agents primarily acting on the respiratory system". 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 T48.99 a billable code?

No, T48.99 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 T48.99.

What chapter is T48.99 in?

T48.99 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with T48.99?

T48.99 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-).

What are the subcategories under T48.99?

T48.99 has 6 child codes, including: T48.991 (Poisn by oth agents primarily acting on the resp sys, acc), T48.992 (Poisn by oth agents prim acting on the resp sys, self-harm), T48.993 (Poisn by oth agents prim acting on the resp sys, assault), T48.994 (Poisn by oth agents primarily acting on the resp sys, undet), and 2 more.

Are additional codes required with T48.99?

Yes, when using T48.99 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 T48.99?

T48.99 is linked to 1 UMLS Concept Unique Identifier: C2883249. 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.