| Primary Purpose |
Defines severe HELLP syndrome |
Identifies mild and severe HELLP |
|
Hemolysis (MAHA) |
Required (schistocytes, low haptoglobin, elevated bilirubin >1.2 mg/dL) |
Required (Peripheral smear evidence or bilirubin >1.2 mg/dL or low haptoglobin) |
| LDH (Lactate Dehydrogenase) |
>600 IU/L |
>600 IU/L |
| AST/ALT (Liver Enzymes) |
AST/ALT >70 IU/L |
AST/ALT ≥2× upper limit of normal (≈70 IU/L) |
| Platelet Count |
≤100 × 10⁹/L |
≤100 × 10⁹/L (Class I)
100–150 × 10⁹/L (Class II & III) |
| Classification Tiers |
only detects severe HELLP |
Class I: Platelets ≤50 × 10⁹/L
Class II: Platelets 50–100 × 10⁹/L
Class III: Platelets 100–150 × 10⁹/L |