The East Coast Pathology Network (ECPN), the Eastern Diagnostic Imaging Network (EDIN), the Eastern Gastrointestinal Endoscopy Network (EGEN), and the Eastern Physiological Sciences Network (EPSN) are collaborative relationships within the East of England.

ECPN consists of five individual NHS Trusts, while EDIN comprises eight NHS Trusts. Similarly, EGEN includes 13 NHS Trusts, and EPSN comprises 14 NHS Trusts.

The Eastern Diagnostic Networks work together to enhance healthcare services in their respective fields and specialties.