T41
Non-billableAnesthetics and therapeutic gases
Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases
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
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- •birth traumaP10-P15
- •obstetric traumaO70-O71
- •toxic reaction to local anesthesia in pregnancyO29.3
- •benzodiazepinesT42.4
- •cocaineT40.5
- •complications of anesthesia during pregnancyO29
- •complications of anesthesia during labor and deliveryO74
- •complications of anesthesia during the puerperiumO89
- •opioids-)T40.0-T40.2
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 (6)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(2)
Frequently Asked Questions
What is the ICD-10 code for anesthetics and therapeutic gases?
The ICD-10-CM code for anesthetics and therapeutic gases is T41. The full clinical description is "Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases". T41 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code T41 mean?
ICD-10-CM code T41 represents “Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases”. 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 T41 a billable code?
No, T41 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 T41.
What chapter is T41 in?
T41 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with T41?
T41 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 6 more.
What are the subcategories under T41?
T41 has 6 child codes, including: T41.0 (Inhaled anesthetics), T41.1 (Intravenous anesthetics), T41.2 (And unsp general anesthetics), T41.3 (Local anesthetics), and 2 more.
Are additional codes required with T41?
Yes, when using T41, 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 T41?
T41 is linked to 1 UMLS Concept Unique Identifier: C2877860. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does T41 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like anesthetics and therapeutic gases 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 T41?
T41 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.