Either
Patient's name (i.e. surname and initials) and patient number (NHI)
Or
Full name and date of birth (where the NHI is not available).
Specimens from external laboratories:
Unique laboratory number from the referring laboratory and patient name (Surname and intials).
Odd Shaped Containers (e.g. capillary tubes, glass slides).
Either
Patient's name (i.e. surname and initials) and patient number (NHI). Where NHI not available the DOB is to be used
Or
Unique specimen number and one other identifier e.g. surname
Sexual Health Specimens
NHI number, encounter number and encrypted name
Patients Name Unknown
NHI number , Gender
Donor Specimens
Donation number and reference number.