Is T63.6 a billable ICD-10-CM code?

No. T63.6 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does T63.6 sit in the tabular list?

Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Toxic effects of substances chiefly nonmedicinal as to source (T51-T65).

What cannot be coded together with T63.6?

T63.6 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

T63.6

T63.6 — Toxic effect of contact with other venomous marine animals

Non-billable headerICD-10-CM

T63.6 is a non-billable header ICD-10-CM code for toxic effect of contact with other venomous marine animals. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category T63

A: initial encounter
D: subsequent encounter
S: sequela

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

sea-snake venom (T63.09)

Excludes2 — not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

poisoning by ingestion of shellfish (T61.78-)

Risk adjustment

T63.6 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead T63.6

4 child codes. Green means billable.

Related codes at this level

Codes that share T63. If T63.6 is not quite right, the correct code is usually one of these.

Questions about T63.6

Is T63.6 a billable ICD-10-CM code?: No. T63.6 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does T63.6 sit in the tabular list?: Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Toxic effects of substances chiefly nonmedicinal as to source (T51-T65).
What cannot be coded together with T63.6?: T63.6 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.