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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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 guidanceToxic effect of other organic solvents, accidental (unintentional), initial encounter
CMS-HCC V28
N/A—
Not mapped
CMS-HCC V24
HistoricalHistorical
Not used for CY2026 payment
ACA/HHS
N/A—
Not mapped
ESRD/PACE
N/A—
Not mapped
RXHCC
N/A—
Not mapped
Code Book Path
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
Related Codes
Includes
OfficialNo 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
OfficialNo 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
OfficialNo 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.

