T50.9
Header — not billablePoisoning by, adverse effect of and underdosing of other and unspecified drugs, medicaments and biological substances
The ICD-10 code for poisoning by, adverse effect of and underdosing of other and unspecified drugs, medicaments and biological substances is T50.9.
T50.9 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 3 more specific codes below.
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 T50.9
- T50.90Poisoning by, adverse effect of and underdosing of unspecified drugs, medicaments and biological substancesnon-billable header
- T50.91Poisoning by, adverse effect of and underdosing of multiple unspecified drugs, medicaments and biological substancesnon-billable header
- T50.99Poisoning by, adverse effect of and underdosing of other drugs, medicaments and biological substancesnon-billable header
Related codes in this category
- T50.0Poisoning by, adverse effect of and underdosing of mineralocorticoids and their antagonistsnon-billable header
- T50.1Poisoning by, adverse effect of and underdosing of loop [high-ceiling] diureticsnon-billable header
- T50.2Poisoning by, adverse effect of and underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diureticsnon-billable header
- T50.3Poisoning by, adverse effect of and underdosing of electrolytic, caloric and water-balance agentsnon-billable header
- T50.4Poisoning by, adverse effect of and underdosing of drugs affecting uric acid metabolismnon-billable header
- T50.5Poisoning by, adverse effect of and underdosing of appetite depressantsnon-billable header
- T50.6Poisoning by, adverse effect of and underdosing of antidotes and chelating agentsnon-billable header
- T50.7Poisoning by, adverse effect of and underdosing of analeptics and opioid receptor antagonistsnon-billable header
- T50.8Poisoning by, adverse effect of and underdosing of diagnostic agentsnon-billable header
- T50.APoisoning by, adverse effect of and underdosing of bacterial vaccinesnon-billable header
- T50.BPoisoning by, adverse effect of and underdosing of viral vaccinesnon-billable header
- T50.ZPoisoning by, adverse effect of and underdosing of other vaccines and biological substancesnon-billable header
- T50.9Poisoning by, adverse effect of and underdosing of other and unspecified drugs, medicaments and biological substancesnon-billable header