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T49

Non-billable

Topical skin/eye/ENT/dental drugs

Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental 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

Child Codes

10

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
  • poisoning by, adverse effect of and underdosing of glucocorticoids, topically used

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 (10)

T49.0

Local antifungal, anti-infective and anti-inflammatory drugs

T49.1

Antipruritics

T49.2

Local astringents and local detergents

T49.3

Emollients, demulcents and protectants

T49.4

Keratolyt/keratplst/hair trmt drug

T49.5

Ophthalmological drugs and preparations

T49.6

Otorhinolaryngological drugs and preparations

T49.7

Dental drugs, topically applied

T49.8

Topical agents

T49.9

Unsp topical agent

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code T49?

ICD-10-CM code T49 represents "Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs". It is a non-billable header code — use a more specific child code for billing purposes.

Is T49 a billable code?

No, T49 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 10 child codes under T49.

What chapter is T49 in?

T49 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with T49?

T49 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 T49?

T49 has 10 child codes, including: T49.0 (Local antifungal, anti-infective and anti-inflammatory drugs), T49.1 (Antipruritics), T49.2 (Local astringents and local detergents), T49.3 (Emollients, demulcents and protectants), and 6 more.

Are additional codes required with T49?

Yes, when using T49 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 T49?

T49 is linked to 2 UMLS Concept Unique Identifiers: C2883275, C4290403. 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.