Basingstoke and north hampshire hospital pathology user handbook

Porphyrins - urine	Plain (white top) universal	10mL	Urine			Random SAMPLES MUST BE KEPT IN THE DARK PRIOR TO ANALYSIS	May be referred as follow up to in-house findings	Porphyria Service Department of Medical Biochemistry University Hospital of Wales Neath Park Cardiff, CF14 4XW 0292 0743565
24 HOURS or 10 days if referred
Potassium	Gold Top Vacuette	4mL	Serum	3.5 - 5.0	mmol/L		Levels artefactully increased by invitro haemolysis and delayed sample centrifugation. Levels may also be artefactually raised in patients with high platelet count.		4 HOURS

TEST	SPECIMEN CONTAINER	VOLUME NEEDED	SAMPLE TYPE	REFERENCE RANGES	UNITS	SPECIAL PRECAUTIONS	KEY FACTORS	REFERRAL LABORATORY (INC ADDRESS)	TURN – AROUND (working days)
Potassium - urine	Plain 24h container		Urine	25 - 100	mmol/d	24h collection Lab Note: White top Vacuette, Advia tray			24 HOURS
Potassium - urine	Plain (white top) universal	10mL	Urine		mmol/L	Random Sample Lab Note: White top Vacuette, Advia tray			24 HOURS
PR3 antibodies	Gold Top Vacuette	4mL	Serum	0 - 9.0	u/mL	Lab Note: SAS 4°C ANCA		Southampton Immunology Mailpoint 8 Level C Southampton General Hospital Tremona Road Southampton SO16 6YD 02380 796229 or 02380 796650	10 DAYS
Primidone	see Pheno-barbitone
Pristanate	See VLCFA								28 DAYS
Procollagen III N-peptide	see PCNP								10 DAYS
Progesterone:	Gold Top Vacuette	4mL	Serum		nmol/L				72 HOURS
Female mid luteal phase:
Not lutenised				<10
Anovulatory				10 - 20
?Inadequate luteal function				20 - 30
Adequate luteal function				>30
Proinsulin	Gold Top Vacuette plus Grey Top Vacuette	4mL plus 4mL	Serum plus Fluoride Oxalate Plasma			TO LAB AT ONCE - SAMPLE MUST BE FROZEN WITHIN 1 HOUR Lab Note: SAS -20°C Take sample for glucose at the same time	Contact Consultant Biochemist	Peptide Laboratory Royal Surrey County Hospital Egerton Rd Guildford GU2 5XX 01483 406715	21 DAYS

TEST	SPECIMEN CONTAINER	VOLUME NEEDED	SAMPLE TYPE	REFERENCE RANGES	UNITS	SPECIAL PRECAUTIONS	KEY FACTORS	REFERRAL LABORATORY (INC ADDRESS)	TURN – AROUND (working days)
Prolactin	Gold Top Vacuette	4mL	Serum	50 - 350	µg/L		Levels may be physiologically elevated by stress, during pregnancy and in patients on anti psychotic drug therapy		72 HOURS
In Pregnancy				206 - 2240
Prostate specific antigen	see PSA								24 HOURS
Protein - CSF	see CSF protein			0.1 - 0.4	g/L				4 HOURS
Protein - fluid	Plain (white top) universal	5mL	Fluid						24 HOURS
Protein - serum total			Serum	see Total Protein
Protein - urine 24h	plain 24h bottle		Urine	0 - 0.15	g/d	24h collection Lab Note: White top universal			24 HOURS
Protein Creatinine Ratio	Plain (white top) universal	10mL	Urine	7 - 23					24 HOURS
Protein - urine random	Plain (white top) universal	10mL	Urine	0 - 0.10	g/L	Random Sample			24 HOURS
PSA	Gold Top Vacuette	4mL	Serum	<51Yr 0-3.5	ug/L		Levels may be elevated in UTI, acute retention, post ejaculation (up to 48h) and post DRE (up to 14 d)		24 HOURS
				51-60Yr 0-4.5
				>60 Yr 0-5.5

TEST	SPECIMEN CONTAINER	VOLUME NEEDED	SAMPLE TYPE	REFERENCE RANGES	UNITS	SPECIAL PRECAUTIONS	KEY FACTORS	REFERRAL LABORATORY (INC ADDRESS)	TURN – AROUND (working days)
PSA - free	see Free PSA								21 DAYS
Pseudo-cholinesterase	Gold Top Vacuette	4mL	Serum	600 – 1400	U/L	Lab Note: SAS -20°C		Chemical Pathology Dept Royal Hampshire County Hospital Romsey Rd Winchester SO22 5DG 01962 824287/8	21 DAYS
PTH	Gold Top Vacuette	4mL	Serum	1.48 - 7.63	pmol/L	TO LAB AT ONCE - SAMPLE MUST BE FROZEN WITHIN 1 HOUR Lab Note : SAS -20ºC			24 HOURS
PTH-related peptide	SPECIAL		SPECIAL	0.7 - 1.8	pmol/L	CONTACT LAB - SPECIAL TUBE REQUIRED - BY ARRANGEMENT ONLY! Lab Note : SAS -20ºC		Clinical Biochemistry 4^th Floor Duncan Building Royal Liverpool University Hospital Prescott Street LIVERPOOL L7 8XP 0151 706 4230	5 WEEKS
Purkinje antibodies	Gold Top Vacuette	4mL	Serum	_	_	Lab Note: SAS -20°C NEUR		Sheffield Protein Department of Immunology Protein Reference Unit PO Box 894 Sheffield S5 7YT 01142 715552	10 DAYS
Rapamune	see Sirolimus
RAST	Gold Top Vacuette	4mL	Serum			Lab Note: SAS -20°C 100uL + 40uL each test	Specific RAST allergens MUST be stated on request form	Department of Immunology Clinical Laboratory Royal Surrey County Hospital Egerton Road Guildford GU2 5XX 01483 464029	10 DAYS (RARE ALLERGENS 28 DAYS)

TEST	SPECIMEN CONTAINER	VOLUME NEEDED	SAMPLE TYPE	REFERENCE RANGES	UNITS	SPECIAL PRECAUTIONS	KEY FACTORS	REFERRAL LABORATORY (INC ADDRESS)	TURN – AROUND (working days)
Red cell acetyl cholinesterase	Lavender Top Vacuette	3mL	EDTA Whole blood	>97	hu/L	Lab Note: WB 4ºC		Biomedical Sciences Group Health & Safety Lab Harper Hill Buxton Derbyshire SK17 9JN 01298 218099	28 DAYS