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T36.7X4S ICD-10-CM Code: Poisoning by antifungal antibiotics, systemically used, undetermined, sequela

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FY 2026 Apr update / Injury, poisoning and certain other consequences of external causes (S00-T88) / Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)

T36.7X4S

Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidance

Poisoning by antifungal antibiotics, systemically used, undetermined, sequela

Poisoning by antifungal antibiotics, systemically used, undetermined, sequela

CMS-HCC V28

0

0

RAF 0

CMS-HCC V24

0

0

RAF 0

ACA/HHS

0

0

RAF 0

ESRD/PACE

0

0

RAF 0

RXHCC

0

0

RAF 0

Code Trumping

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Code Book Path

Official
T36.7XPoisoning by, adverse effect of and underdosing of antifungal antibiotics, systemically used
T36.7X4Poisoning by antifungal antibiotics, systemically used, undetermined
T36.7X4SPoisoning by antifungal antibiotics, systemically used, undetermined, sequela

Inclusion Terms

Official

ICD-10-CM does not list inclusion terms for T36.7X4S in this effective period.

Excludes 2

Official

ICD-10-CM does not list Excludes 2 notes for T36.7X4S in this effective period.

Related Child Codes

Official
T36.7X4APoisoning by antifungal antibiotics, systemically used, undetermined, initial encounter
T36.7X4DPoisoning by antifungal antibiotics, systemically used, undetermined, subsequent encounter

Includes

Official

ICD-10-CM does not list Includes notes for T36.7X4S in this effective period.

Excludes 1

Official

ICD-10-CM does not list Excludes 1 notes for T36.7X4S in this effective period.

Code First

Official

ICD-10-CM does not list Code First sequencing instructions for T36.7X4S in this effective period.

Use Additional

Official

ICD-10-CM does not list Use Additional Code instructions for T36.7X4S in this effective period.

Code Also

Official

ICD-10-CM does not list Code Also instructions for T36.7X4S in this effective period.

Last updated: FY2026 ICD-10-CM Apr update, Apr 1, 2026 through Sep 30, 2026. CMS-HCC V28 is 100% phased in for payment year 2026.

Is T36.7X4S an HCC code?

No. T36.7X4S is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

T36.7X4S is the ICD-10-CM diagnosis code for poisoning by antifungal antibiotics, systemically used, undetermined, sequela. T36.7X4S sits in the ICD-10-CM chapter for injury, poisoning and certain other consequences of external causes (s00-t88), within the section covering poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (t36-t50).

T36.7X4S is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.

T36.7X4S is a billable ICD-10-CM code that can be reported on claims but does not currently contribute to a Medicare Advantage member's RAF score under any CMS risk adjustment model (V28, V24, ESRD, or RxHCC). Coders reviewing T36.7X4S should check whether additional documentation would support a more specific child code in the same hierarchy that does map to a payment HCC, capturing the correct specificity is the highest-impact RAF improvement available within accurate coding.

HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for T36.7X4S sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.

Child Codes

Code Hierarchy

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