T44.9
Header — not billablePoisoning by, adverse effect of and underdosing of other and unspecified drugs primarily affecting the autonomic nervous system
The ICD-10 code for poisoning by, adverse effect of and underdosing of other and unspecified drugs primarily affecting the autonomic nervous system is T44.9.
T44.9 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 2 more specific codes below.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Poisoning by, adverse effect of and underdosing of drug stimulating both alpha and beta-adrenoreceptors
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under T44.9
Related codes in this category
- T44.0Poisoning by, adverse effect of and underdosing of anticholinesterase agentsnon-billable header
- T44.1Poisoning by, adverse effect of and underdosing of other parasympathomimetics [cholinergics]non-billable header
- T44.2Poisoning by, adverse effect of and underdosing of ganglionic blocking drugsnon-billable header
- T44.3Poisoning by, adverse effect of and underdosing of other parasympatholytics [anticholinergics and antimuscarinics] and spasmolyticsnon-billable header
- T44.4Poisoning by, adverse effect of and underdosing of predominantly alpha-adrenoreceptor agonistsnon-billable header
- T44.5Poisoning by, adverse effect of and underdosing of predominantly beta-adrenoreceptor agonistsnon-billable header
- T44.6Poisoning by, adverse effect of and underdosing of alpha-adrenoreceptor antagonistsnon-billable header
- T44.7Poisoning by, adverse effect of and underdosing of beta-adrenoreceptor antagonistsnon-billable header
- T44.8Poisoning by, adverse effect of and underdosing of centrally-acting and adrenergic-neuron- blocking agentsnon-billable header
- T44.9Poisoning by, adverse effect of and underdosing of other and unspecified drugs primarily affecting the autonomic nervous systemnon-billable header