Toxic effect of venom of ants, accidental (unintentional), sequela
Billable / specificPOA exempt
T63.421S is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Includes (from T63)
- bite or touch of venomous animal
- pricked or stuck by thorn or leaf
- Note: Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- Note: The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
- Note: When no intent is indicated code to accidental. Undetermined intent is only for use when there is specific documentation in the record that the intent of the toxic effect cannot be determined.
Excludes1
Not coded here — never report together with this code.
Excludes2
Not included here — may be reported together when both conditions exist.
Use additional code
Add a code to identify the following, if applicable.
- code, if applicable, for anaphylactic shock (T78.2) (from T63.4)
- code to identify any retained foreign body, if applicable (Z18.-) (from T63)
- code(s): (from T63)
- for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70) (from T63)
- personal history of foreign body fully removed (Z87.821) (from T63)
- to identify any retained foreign body, if applicable (Z18.-) (from T63)
7th character
The 7th character values that apply to this code (defined at T63). Use the placeholder "X" for missing positions.
| Character | Meaning |
|---|---|
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
Parent code
- T63.421Toxic effect of venom of ants, accidental (unintentional)Needs 7th char