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ICD-10-CM 2027

ICD-10 code for Bee sting allergy

T63.44

Toxic effect of venom of bees

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Allergy, allergic (reaction) (to) › bee sting (anaphylactic shock)”. Page updated September 29, 2026.

About coding Bee sting allergy

The ICD-10-CM code for Bee sting allergy is T63.44 (Toxic effect of venom of bees).

Within T63.4 (toxic effect of venom of other arthropods), T63.44 is specifically for toxic effect of venom of bees. Related codes cover centipedes and venomous millipedes (T63.41), ants (T63.42), caterpillars (T63.43), hornets (T63.45), wasps (T63.46) and other arthropod (T63.48).

Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Common questions about Bee sting allergy ICD-10 codes

What is the ICD-10 code for Bee sting allergy?

T63.44 — Toxic effect of venom of bees (a header code; report a more specific subcode).

Is T63.44 billable?

No. T63.44 is a header code. Report one of its more specific subcodes instead.