T49
Non-billableTopical 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.
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)
Excludes 2
Conditions not included here, but the patient may have both
Code First
The underlying condition must be sequenced before this code
- , for adverse effects, the nature of the adverse effect, such as:
- •adverse effect NOST88.7
- •aspirin gastritisK29
- •blood disordersD56-D76
- •contact dermatitisL23-L25
- •dermatitis due to substances taken internallyL27
- •nephropathyN14.0-N14.2
Use Additional Code
Additional codes that should follow this code
7th Character Definitions
- A - initial encounter
- D - subsequent encounter
- S - sequela
Child Codes (10)
T49.0Local antifungal, anti-infective and anti-inflammatory drugs
T49.1Antipruritics
T49.2Local astringents and local detergents
T49.3Emollients, demulcents and protectants
T49.4Keratolyt/keratplst/hair trmt drug
T49.5Ophthalmological drugs and preparations
T49.6Otorhinolaryngological drugs and preparations
T49.7Dental drugs, topically applied
T49.8Topical agents
T49.9Unsp topical agent
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(3)
UMLS
- Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugsC2883275
- Topical skin/eye/ENT/dental drugsC2883275
- poisoning by, adverse effect of and underdosing of glucocorticoids, topically usedC4290403
Frequently Asked Questions
What is the ICD-10 code for topical skin/eye/ent/dental drugs?
The ICD-10-CM code for topical skin/eye/ent/dental drugs is T49. The full clinical description is "Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs". T49 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code T49 mean?
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 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 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, also report: 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.
How does T49 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like topical skin/eye/ent/dental drugs affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of T49?
T49 maps to the ICD-11 code: NE60 (Harmful effects of drugs, medicaments or biological substances, not elsewhere classified).
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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.