ICD-10 D75.84
Billable / Specific HCC v28: 48Other platelet-activating anti-PF4 disorders
About ICD-10-CM D75.84
ICD-10-CM code D75.84 represents Other platelet-activating anti-PF4 disorders. This is a billable/specific code in the Blood and Blood-forming Organs chapter (block D75). The 2026 edition of ICD-10-CM D75.84 became effective on October 1, 2025.
Coding Tips for D75.84
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
D75.84 is a CMS-HCC v28 risk-adjustment code (category 48). To count for the patient Risk Adjustment Factor (RAF), document the diagnosis with MEAT language each calendar year: Monitored, Evaluated, Assessed, Treated. A diagnosis on the problem list alone does not satisfy CMS RADV audit standards. Include the diagnosis in the assessment with current status and current treatment plan.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under D75.84. Per CMS ICD-10-CM Tabular 2026.
- Spontaneous heparin-induced thrombocytopenia syndrome (without heparin exposure)
- Thrombosis with thrombocytopenia syndrome
- Vaccine-induced thrombotic thrombocytopenia
Use Additional Code
When coding D75.84, also report these additional codes when applicable.
- code, if applicable, for adverse effect of other viral vaccine (T50.B95-)
Medicare Advantage HCC Impact
Capture this diagnosis annually for accurate risk adjustment. Missed HCC captures are the #1 revenue leak in Medicare Advantage risk programs.
Medicare LCD Coverage for D75.84
Local Coverage Determinations (LCDs) from CMS MACs that list D75.84 as a covered diagnosis.
Showing top 10 of 60 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing D75.84.
5 Medicare
CPT Codes Commonly Billed with D75.84
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 93990 CMS LCD: Billing and Coding: Non-Invasive Peripheral Venous Vascular and Hemodialysis Access Studies CMS LCD
- 93985 CMS LCD: Billing and Coding: Non-Invasive Peripheral Venous Vascular and Hemodialysis Access Studies CMS LCD
- 93986 CMS LCD: Billing and Coding: Non-Invasive Peripheral Venous Vascular and Hemodialysis Access Studies CMS LCD
Codes Adjacent To D75.84
Other codes in section D70-D77 (Other disorders of blood and blood-forming organs).
ICD-10 D75.84, Billing FAQ
Is ICD-10 code D75.84 billable? +
Yes, D75.84 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to D75.84? +
ICD-10 D75.84 includes: Spontaneous heparin-induced thrombocytopenia syndrome (without heparin exposure); Thrombosis with thrombocytopenia syndrome; Vaccine-induced thrombotic thrombocytopenia.
Does D75.84 affect Medicare Advantage HCC risk adjustment? +
Yes. D75.84 maps to CMS-HCC v28 category 48. Capture this diagnosis annually for accurate Medicare Advantage risk score.
What CPT codes are commonly billed with D75.84? +
Procedures frequently paired with D75.84 include: 93990, 93985, 93986.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 16, 2026.
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