T48.99
Header — not billablePoisoning by, adverse effect of and underdosing of other agents primarily acting on the respiratory system
The ICD-10 code for poisoning by, adverse effect of and underdosing of other agents primarily acting on the respiratory system is T48.99.
T48.99 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 6 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.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under T48.99
- T48.991Poisoning by other agents primarily acting on the respiratory system, accidental (unintentional)
- T48.992Poisoning by other agents primarily acting on the respiratory system, intentional self-harm
- T48.993Poisoning by other agents primarily acting on the respiratory system, assault
- T48.994Poisoning by other agents primarily acting on the respiratory system, undetermined
- T48.995Adverse effect of other agents primarily acting on the respiratory system
- T48.996Underdosing of other agents primarily acting on the respiratory system
Related codes in this category
- T48.90Poisoning by, adverse effect of and underdosing of unspecified agents primarily acting on the respiratory systemnon-billable header
- T48.99Poisoning by, adverse effect of and underdosing of other agents primarily acting on the respiratory systemnon-billable header