T63.3

Non-billable

Toxic effect of venom of spider

T63.3 is the ICD-10-CM code for Toxic effect of venom of spider. It is a non-billable category code — use a more specific child code such as T63.30 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T63
Subcodes
5
Edition
FY2026

S00-T88 Injury, poisoning and certain other consequences of external causes

What this means — in plain language

MedlinePlus · NIH

Though many people are afraid of spiders, they rarely bite people unless threatened. Most spider bites are harmless. Occasionally, spider bites can cause allergic reactions. And bites by the venomous black widow and brown recluse spiders can be very dangerous to people. If you are bitten by a spider, you may see a reaction similar to that of a bee sting, including redness, pain and swelling at the site. To treat a…

Read more about Spider Bites at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Frequently asked questions

What is ICD-10 code T63.3?
T63.3 is the ICD-10-CM code for "Toxic effect of venom of spider". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T63.3 a billable code?
No — T63.3 is a non-billable header code. Use a more specific child code (such as T63.30) for billing.
What are the subcodes of T63.3?
T63.3 has 5 more specific child codes, including T63.30, T63.31, T63.32.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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