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Deleted for FY2027: last valid date of service September 30, 2026

T52.8X1A is one of the 21 entries the FY2027 order file removes. Use it for dates of service through September 30, 2026; from October 1, 2026 report the code the FY2027 tabular assigns instead.

Source: CMS FY2027 order and addenda files, staged 2026-07-13. All FY2027 changes

T52.8X1A ICD-10-CM Code: Toxic effect of other organic solvents, accidental (unintentional), initial encounter

T52.8X1A is not a CMS-HCC payment code. MEAT criteria · RAF Calculator · free HCC coding tools

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Code lookupT52.8X1A

FY 2026 Apr update / Injury, poisoning and certain other consequences of external causes (S00-T88) / Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)

T52.8X1A

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

Toxic effect of other organic solvents, accidental (unintentional), initial encounter

CMS-HCC V28

N/A

Not mapped

CMS-HCC V24

Historical

Historical

Not used for CY2026 payment

ACA/HHS

N/A

Not mapped

ESRD/PACE

N/A

Not mapped

RXHCC

N/A

Not mapped

Inclusion Terms

Official
  • Toxic effects of other organic solvents NOSInherited from T52.8X1

Excludes 2

Official
  • birth trauma (P10-P15)Inherited from S00-T88
  • obstetric trauma (O70-O71)Inherited from S00-T88

Includes

Official

No Includes notes are included in this display for T52.8X1A. Check the code and parent instructions in the Code Book.

Excludes 1

Official
  • contact with and (suspected) exposure to toxic substances (Z77.-)Inherited from T51-T65, T52
  • halogen derivatives of aliphatic and aromatic hydrocarbons (T53.-)Inherited from T51-T65, T52

Code First

Official

No Code First sequencing instructions are included in this display for T52.8X1A. Check the code and parent instructions in the Code Book.

Use Additional

Official
  • code to identify any retained foreign body, if applicable (Z18.-)Inherited from S00-T88, T51-T65
  • code(s):Inherited from S00-T88, T51-T65
  • for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70)Inherited from S00-T88, T51-T65
  • personal history of foreign body fully removed (Z87.821)Inherited from S00-T88, T51-T65
  • to identify any retained foreign body, if applicable (Z18.-)Inherited from S00-T88, T51-T65

Code Also

Official

No Code Also instructions are included in this display for T52.8X1A. Check the code and parent instructions in the Code Book.

Current with CMS: FY2026 ICD-10-CM Apr 1 update (effective Apr 1 – Sep 30, 2026) · CMS-HCC V28, 100% phased in for payment year 2026. FY2027 code set already staged for October 1, 2026. How HCC Buddy stays current →

Is T52.8X1A an HCC code?

No. T52.8X1A is a billable ICD-10-CM code with no mapping under the current CMS-HCC V28 community payment model, and none under the ESRD, Part D RxHCC, or HHS-HCC models.

Code
T52.8X1A
Description
Toxic effect of other organic solvents, accidental (unintentional), initial encounter
HCC (V28)
No CMS-HCC V28 mapping
RAF reference coefficient
Billable
Yes
Payment year
2026

Coder workflow notes

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What This Code Means

T52.8X1A is the ICD-10-CM diagnosis code for toxic effect of other organic solvents, accidental (unintentional), initial encounter. T52.8X1A sits in the ICD-10-CM chapter for injury, poisoning and certain other consequences of external causes (s00-t88), within the section covering toxic effects of substances chiefly nonmedicinal as to source (t51-t65).

T52.8X1A is a billable ICD-10-CM code, but no current CMS-HCC V28 community payment mapping is shown, and none under the ESRD, Part D RxHCC, or HHS-HCC models. Do not assign risk adjustment value from this page when no source-backed mapping is shown; verify the applicable model and payment year.

T52.8X1A is a billable ICD-10-CM code, but no current CMS-HCC V28 community payment mapping is shown. No ESRD, Part D RxHCC, or HHS-HCC mapping is shown either. Do not assign risk adjustment value from this page when no source-backed mapping is shown. Coders should check the current model files and select only the specificity supported by the provider documentation.

HCC Buddy maintains structured V28 and V24 mapping, source-labeled coefficient references, and MEAT documentation criteria for T52.8X1A sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.

Child Codes

Code Hierarchy

T52.8X1A code history

Code setChange
FY2027 (effective Oct 1, 2026)Deleted from the code set · all FY2027 changes

Source: official CMS ICD-10-CM order and addenda files, FY2016 through FY2027.

Also searched as

  • T52 8X1A
  • T528X1A

More on T52.8X1A

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