T63.9 — Toxic effect of contact with unspecified venomous animal

Not billable

Is T63.9 billable?

No — T63.9 is a non-billable header code. T63.9 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 12 billable codes beneath T63.9.

Billable codes under this header

T63.91XAToxic effect of contact with unspecified venomous animal, accidental (unintentional), initial encounter
T63.91XDToxic effect of contact with unspecified venomous animal, accidental (unintentional), subsequent encounter
T63.91XSToxic effect of contact with unspecified venomous animal, accidental (unintentional), sequela
T63.92XAToxic effect of contact with unspecified venomous animal, intentional self-harm, initial encounter
T63.92XDToxic effect of contact with unspecified venomous animal, intentional self-harm, subsequent encounter
T63.92XSToxic effect of contact with unspecified venomous animal, intentional self-harm, sequela
T63.93XAToxic effect of contact with unspecified venomous animal, assault, initial encounter
T63.93XDToxic effect of contact with unspecified venomous animal, assault, subsequent encounter
T63.93XSToxic effect of contact with unspecified venomous animal, assault, sequela
T63.94XAToxic effect of contact with unspecified venomous animal, undetermined, initial encounter
T63.94XDToxic effect of contact with unspecified venomous animal, undetermined, subsequent encounter
T63.94XSToxic effect of contact with unspecified venomous animal, undetermined, sequela

T63.9 at a glance

Code	T63.9
Description	Toxic effect of contact with unspecified venomous animal
Billable	No — header code
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Excludes1 — never code together — inherited from T51-T65

The conditions below can never be reported together with T63.9 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

contact with and (suspected) exposure to toxic substances (Z77.-)

Use additional code — inherited from Chapter 19

Report an additional code alongside T63.9 to fully describe the condition. T63.9 is sequenced first.

code to identify any retained foreign body, if applicable (Z18.-)

Use additional code — inherited from T51-T65

Report an additional code alongside T63.9 to fully describe the condition. T63.9 is sequenced first.

code(s):
for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70)
personal history of foreign body fully removed (Z87.821)
to identify any retained foreign body, if applicable (Z18.-)

Excludes2 — not included here — inherited from Chapter 19

The conditions below are not part of T63.9, but a patient may have both at the same time. When documentation supports it, T63.9 and the excluded code may both be reported.

birth trauma (P10-P15)
obstetric trauma (O70-O71)

Excludes2 — not included here — inherited from T63

The conditions below are not part of T63.9, but a patient may have both at the same time. When documentation supports it, T63.9 and the excluded code may both be reported.

ingestion of toxic animal or plant (T61.-, T62.-)

What codes fall under T63.9? (4)

How long has T63.9 existed?

T63.9 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.