ISTH DIC Score
International Society on Thrombosis and Haemostasis (ISTH) scoring system for disseminated intravascular coagulation (DIC). Requires an underlying condition known to cause DIC.
Score interpretation
→ Score ≥5: Compatible with overt DIC. Treat underlying condition; supportive transfusion (FFP, platelets, cryoprecipitate) if bleeding. Repeat scoring daily.
→ Score <5: Not diagnostic of overt DIC. May represent pre-DIC. Treat underlying condition and repeat scoring in 24 hours if clinical suspicion remains.
Interpretation bands for the ISTH DIC. Apply clinical judgement and local guidance.
References
Related
Curated clinical cross-links plus same-class fallbacks.
- Prothrombin Complex Concentrate (PCC) · Coagulation Factor Concentrate — Warfarin Reversal
- Phytomenadione (Vitamin K1) · Vitamin K (Coagulation Factor Synthesis)
- Factor IX Concentrate · Coagulation Factor Replacement — Haemophilia B
- Fibrinogen Concentrate · Coagulation Factor Replacement — Hypofibrinogenaemia
- Ceftriaxone (Paediatric) · Third-Generation Cephalosporin — Meningitis / Sepsis / Community-Acquired Pneumonia
- Gentamicin (Paediatric) · Aminoglycoside — Neonatal Sepsis / Gram-Negative Infections in Children
- Major Haemorrhage / Massive Transfusion · BCSH; RCOA; RCEM; RCS — BCSH Guidelines
- Anaemia Investigation · BSH / NICE
- Splenomegaly Workup · BSH; BMJ Best Practice
- Deep Vein Thrombosis Diagnosis and Treatment · NICE CG144 / NICE NG158
- Sickle Cell Crisis · BSH 2021 / BCSH
- Neutropenic Sepsis · NICE CG151 2012 / ESMO
Decision support only — verify against a current formulary, NICE, or your local guideline before clinical use.