Test

Vacutainer

Sample

Vol

Cut off time

Reporting times

Specification, standard (method) or technique used

Special instructions

I M. Latex Test

(Paul Bunnel)

serum

200mL

12pm

SD

Latex agglutination

Ig E

serum

200mL

3pm

SD

CLIP

Immunofixation 

serum / urine

200mL

3pm

inquire

Immuno Electrophoresis

Immunoglobulins  IgA

serum

200mL

3pm

ND

Rate Nephelometry

Immunoturbidimetry

Immunoglobulins  IgG

serum / urine / CSF

200mL

3pm

ND

Rate Nephelometry

Immunoturbidimetry

Immunoglobulins  IgM

serum

200mL

3pm

ND

Rate Nephelometry

Immunoturbidimetry

Insulin

serum / plasma

200mL

12pm

SD

CLIP

Note fasting or post glucose status

Iron

serum / plasma

200mL

3pm

ND

End Point

Note iron therapy if any - includes TIBC

Lactate

plasma

200mL

3pm

SD

Endpoint

Special lab collection

LAP  Score

whole blood

200mL

3pm

3^rd day

Microscopy + staining

Special lab collection

LDH

serum / plasma / body fluid

200mL

3pm

SD

Kinetic

LDL Cholesterol (Direct)

serum / plasma

200mL

3pm

SD

Endpoint

12 hr fasting required

Leptospira AB

serum / plasma / whole blood

200mL

3pm

SD

Immuno – Chromatography

LH

serum

200mL

12pm

SD

CLIP

MEIA

3 samples 20 min interval

Lipase

serum / plasma

200mL

3pm

SD

enzymatic

Lipoprotein a - Lp(a)

serum

200mL

3pm

ND

Rate nephelometry / Turbidimetry

12 h fasting required

Lithium Drug Assay

serum

200mL

12pm

SD

Endpoint

Not last dose

Lupus Anticoagulant

(Screen)

plasma

200mL

3pm PD

inquire

Coagulation

Special cold – lab collection

Anticoagulant therapy – stop for at least 12 days

Lupus Anticoagulant (Confirmation)

plasma

200mL

3pm PD

inquire

Coagulation

Special cold – lab collection

Note previous results if any

Anticoagulant therapy – stop for at least 12 days

M.P. (Malarial Parasites)

whole blood

200mL

3pm

SD

Microscopy

M.T. 
(Mantoux, Tuberculin)

-

--

200mL

--

Between 48 – 72 hrs

Zone reading

Magnesium

serum /  plasma / urine

200mL

3pm

SD

Endpoint

Methemoglobin

whole blood

200mL

3pm

SD

Chemical

special lab collection

Microalbuminuria  (MAU)

-

urine

200mL

3pm

ND

CLIP

Immunoturbidimetry

Mid stream 2^nd or 3^rd morning sample

Microfilaria

whole blood

200mL

3pm

ND

Microscopy

Night 12 – 3 am collection

Oestradiol (E2)

serum / plasma

200mL

12pm

SD

ELFA

Oestriol

serum / plasma

200mL

3pm

ND

CLIP

Osmolality

serum / plasma / urine

200mL

3pm

SD

Freezing point depression

Osmotic Fragility  / Nestroft

whole blood

200mL

3pm

SD

Endpoint Colorimetric

Osmotic Fragility - Auto Haemolysis

whole blood (Defibrinated)

200mL

3pm

SD

Endpoint Colorimetric