T37.8
Non-Billable

Poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics

Non-Billable / Non-Specific Code

What is Poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics?

ICD-10-CM T37.8 is the diagnosis code for Poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics. This code falls under the section "Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances" within Chapter 19 — Injury, poisoning and certain other consequences of external causes (S00-T88). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions
⛔ Excludes1

Coding Guidelines for T37.8

✅ This Code Includes

  • Poisoning by, adverse effect of and underdosing of hydroxyquinoline derivatives

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as T37.8. They are mutually exclusive:

  • antimalarial drugs (T37.2-)

ICD-10-CM Code Hierarchy

Understanding where T37.8 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 1 entries
T37.8XPoisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasiticsNon-BillableT37.8X1Poisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional)BillableT37.8X2Poisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harmBillableT37.8X3Poisoning by other specified systemic anti-infectives and antiparasitics, assaultBillableT37.8X4Poisoning by other specified systemic anti-infectives and antiparasitics, undeterminedBillableT37.8X5Adverse effect of other specified systemic anti-infectives and antiparasiticsBillableT37.8X6Underdosing of other specified systemic anti-infectives and antiparasiticsBillable
Related Codes

Frequently Asked Questions

Is T37.8 a billable ICD-10-CM code?

No, T37.8 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does T37.8 mean?

T37.8 is the ICD-10-CM diagnosis code for "Poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of T37.8?

The parent code of T37.8 is T37 ("Poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics"). T37.8 provides a more specific classification within this category.

What section is T37.8 in?

T37.8 is located in Section T36-T50 — "Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances" within Chapter 19 of the ICD-10-CM Tabular List.

What are the sub-codes of T37.8?

T37.8 has 1 sub-code(s) that provide more specific detail: T37.8X.

When should I use T37.8?

Use T37.8 when the patients documented diagnosis matches "Poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics?

The ICD-10-CM code for Poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics is T37.8.

Can T37.8 be used for primary diagnosis?

No, T37.8 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is T37.8 in?

T37.8 is in Chapter 19 of the ICD-10-CM Tabular List.

What conditions are excluded from T37.8?

Type 1 Excludes for T37.8 include: antimalarial drugs (T37.2-).

Is T37.8 valid for 2026?

Yes, T37.8 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousT37.5X6Underdosing of antiviral drugsNext →T37.8XPoisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics
Code Details
T37.8
Poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics
Non-Billable / Non-Specific Code
19 — Injury, poisoning and certain other consequences of external causes (S00-T88)
T36-T50 — Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances
2026 ICD-10-CM