T44.9
Non-billableAnd unsp drugs aff the autonomic nervous system
Poisoning by, adverse effect of and underdosing of other and unspecified drugs primarily affecting the autonomic nervous system
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Poisoning by, adverse effect of and underdosing of drug stimulating both alpha and beta-adrenoreceptors
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)
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
Child Codes (2)
Related Codes(9)
T44.0Anticholinesterase agents
T44.1Parasympathomimetics
T44.2Ganglionic blocking drugs
T44.3Parasympatholytics and spasmolytics
T44.4Predominantly alpha-adrenoreceptor agonists
T44.5Predominantly beta-adrenoreceptor agonists
T44.6Alpha-adrenoreceptor antagonists
T44.7Beta-adrenoreceptor antagonists
T44.8Centrally-acting and adrenergic-neuron- blocking agents
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
- And unsp drugs aff the autonomic nervous systemC2878967
- Poisoning by, adverse effect of and underdosing of other and unspecified drugs primarily affecting the autonomic nervous systemC2878967
- Poisoning by, adverse effect of and underdosing of drug stimulating both alpha and beta-adrenoreceptorsC2878966
Frequently Asked Questions
What is the ICD-10 code for and unsp drugs aff the autonomic nervous system?
The ICD-10-CM code for and unsp drugs aff the autonomic nervous system is T44.9. The full clinical description is "Poisoning by, adverse effect of and underdosing of other and unspecified drugs primarily affecting the autonomic nervous system". T44.9 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code T44.9 mean?
ICD-10-CM code T44.9 represents “Poisoning by, adverse effect of and underdosing of other and unspecified drugs primarily affecting the autonomic nervous 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 T44.9 a billable code?
No, T44.9 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under T44.9.
What chapter is T44.9 in?
T44.9 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with T44.9?
T44.9 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 T44.9?
T44.9 has 2 child codes, including: T44.90 (Unsp drugs primarily affecting the autonomic nervous system), T44.99 (Drugs primarily affecting the autonomic nervous system).
Are additional codes required with T44.9?
Yes, when using T44.9, 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 T44.9?
T44.9 is linked to 2 UMLS Concept Unique Identifiers: C2878967, C2878966. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does T44.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like and unsp drugs aff the autonomic nervous system 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 T44.9?
T44.9 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.