C1142

Phenobarbital (Gardinal)

3rd Day

C1143

Phenytoin (Eptoin)

3rd Day

C1144

Phosphorus

Same day (if Collected before 12 Noon)

C1146

Potassium

Same day (if Collected before 12 Noon)

C1147

Potassium - Urine

Same day (if Collected before 12 Noon)

C1148

Pregnancy Test

Same day (if Collected before 12 Noon)

C1149

Progesterone

3rd Day

C1150

Prolactin

Same day (if Collected before 12 Noon)

C1151

Prostate Specific Antigen - PSA (Free)

3rd Day

C1152

Prostate Specific Antigen - PSA (Total)

Same day (if Collected before 12 Noon)