T46.902 — Poisoning by unspecified agents primarily affecting the cardiovascular system, intentional self-harm

Not billable

Is T46.902 billable?

No — T46.902 is a non-billable header code. T46.902 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 3 billable codes beneath T46.902.

Billable codes under this header

T46.902APoisoning by unspecified agents primarily affecting the cardiovascular system, intentional self-harm, initial encounter
T46.902DPoisoning by unspecified agents primarily affecting the cardiovascular system, intentional self-harm, subsequent encounter
T46.902SPoisoning by unspecified agents primarily affecting the cardiovascular system, intentional self-harm, sequela

T46.902 at a glance

Code	T46.902
Description	Poisoning by unspecified agents primarily affecting the cardiovascular system, intentional self-harm
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 T36-T50

The conditions below can never be reported together with T46.902 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

toxic reaction to local anesthesia in pregnancy (O29.3-)

Excludes1 — never code together — inherited from T46

The conditions below can never be reported together with T46.902 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

poisoning by, adverse effect of and underdosing of metaraminol (T44.4)

Code first — inherited from T36-T50

The underlying condition below must be sequenced before T46.902. T46.902 describes a manifestation and cannot be the principal or first-listed diagnosis.

, for adverse effects, the nature of the adverse effect, such as:
adverse effect NOS (T88.7)
aspirin gastritis (K29.-)
blood disorders (D56-D76)
contact dermatitis (L23-L25)
dermatitis due to substances taken internally (L27.-)
nephropathy (N14.0-N14.2)

Use additional code — inherited from Chapter 19

Report an additional code alongside T46.902 to fully describe the condition. T46.902 is sequenced first.

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

Use additional code — inherited from T36-T50

Report an additional code alongside T46.902 to fully describe the condition. T46.902 is sequenced first.

code(s) to specify:
manifestations of poisoning
underdosing or failure in dosage during medical and surgical care (Y63.6, Y63.8-Y63.9)
underdosing of medication regimen (Z91.12-, Z91.13-)

Excludes2 — not included here — inherited from Chapter 19

The conditions below are not part of T46.902, but a patient may have both at the same time. When documentation supports it, T46.902 and the excluded code may both be reported.

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

Excludes2 — not included here — inherited from T36-T50