T40.3
Header — not billablePoisoning by, adverse effect of and underdosing of methadone
The ICD-10 code for poisoning by, adverse effect of and underdosing of methadone is T40.3.
T40.3 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 1 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 T40.3
Related codes in this category
- T40.0Poisoning by, adverse effect of and underdosing of opiumnon-billable header
- T40.1Poisoning by and adverse effect of heroinnon-billable header
- T40.2Poisoning by, adverse effect of and underdosing of other opioidsnon-billable header
- T40.4Poisoning by, adverse effect of and underdosing of other synthetic narcoticsnon-billable header
- T40.5Poisoning by, adverse effect of and underdosing of cocainenon-billable header
- T40.6Poisoning by, adverse effect of and underdosing of other and unspecified narcoticsnon-billable header
- T40.7Poisoning by, adverse effect of and underdosing of cannabis (derivatives)non-billable header
- T40.8Poisoning by and adverse effect of lysergide [LSD]non-billable header
- T40.9Poisoning by, adverse effect of and underdosing of other and unspecified psychodysleptics [hallucinogens]non-billable header
- T40.3Poisoning by, adverse effect of and underdosing of methadonenon-billable header