T37.2X5

Non-billable

Adverse effect of antimalarials and drugs acting on other blood protozoa

T37.2X5 is the ICD-10-CM code for Adverse effect of antimalarials and drugs acting on other blood protozoa. It is a non-billable category code — use a more specific child code such as T37.2X5A for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T37.2X
Subcodes
3
Edition
FY2026

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

What this means — in plain language

MedlinePlus · NIH

Most of the time, medicines make our lives better. They reduce aches and pains, fight infections, and control problems such as high blood pressure or diabetes. But medicines can also cause unwanted reactions, such as drug interactions, side effects, and allergies. What is a drug interaction? A drug interaction is a change in the way a drug acts in the body when taken with certain other drugs, foods, or supplements…

Read more about Drug Reactions at MedlinePlus ↗

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

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code T37.2X5?
T37.2X5 is the ICD-10-CM code for "Adverse effect of antimalarials and drugs acting on other blood protozoa". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T37.2X5 a billable code?
No — T37.2X5 is a non-billable header code. Use a more specific child code (such as T37.2X5A) for billing.
What are the subcodes of T37.2X5?
T37.2X5 has 3 more specific child codes, including T37.2X5A, T37.2X5D, T37.2X5S.

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

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