A 6 month old boy presents to your hospital with a large spontaneous bleed into his left thigh.  A full blood count and coagulation screen are performed by paediatric accident and emergency and they phone you for advice.

Hb 9.4 WC 8.7 Plts 336

PT 29.7s APTT 73.2s Fib 3.2 g/dL

What tests would you initially perform?