AutoICD API

T50

Non-billable

Diuretics and oth and unsp drug/meds/biol subst

Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances

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

Child Codes

13

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-)

7th Character Definitions

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Child Codes (13)

T50.0

Mineralocorticoids and their antagonists

T50.1

Loop diuretics

T50.2

Carbonic-anhydrase inhibitors, benzo/oth diuretc

T50.3

Electrolytic, caloric and water-balance agents

T50.4

Drugs affecting uric acid metabolism

T50.5

Appetite depressants

T50.6

Antidotes and chelating agents

T50.7

Analeptics and opioid receptor antagonists

T50.8

Diagnostic agents

T50.9

And unsp drugs, medicaments and biological substances

T50.A

Bacterial vaccines

T50.B

Viral vaccines

T50.Z

Vaccines and biological substances

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code T50?

ICD-10-CM code T50 represents "Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances". It is a non-billable header code — use a more specific child code for billing purposes.

Is T50 a billable code?

No, T50 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 13 child codes under T50.

What chapter is T50 in?

T50 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with T50?

T50 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 T50?

T50 has 13 child codes, including: T50.0 (Mineralocorticoids and their antagonists), T50.1 (Loop diuretics), T50.2 (Carbonic-anhydrase inhibitors, benzo/oth diuretc), T50.3 (Electrolytic, caloric and water-balance agents), and 9 more.

Are additional codes required with T50?

Yes, when using T50 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 T50?

T50 is linked to 1 UMLS Concept Unique Identifier: C2883526. 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.