52 / 80
50
Pathology tests
Alphabetically listed
Test Name
Collection Requirements
KRAS and NRAS screen (Genetic test)
FRESH TISSUE OR PARRAFIN EMBEDDED
TISSUE
Contact laboratory for information.
Medicare criteria:
Test of tumour tissue from a patient with
metastatic colorectal cancer requested by, or on
behalf of, a specialist or consultant physician to
determine if the requirements relating to Kirsten
ras (KRAS) gene mutation status for access to
cetuximab under the PBS are fulfilled.
Lactate
Refer patient to collection centre
Lactate–CSF
STERILE SCREW-CAPPED SPECIMEN
CONTAINER–CSF
Lactate Dehydrogenase (LD)
PLAIN TUBE OR GEL TUBE
Lactate Dehydrogenase Isoenzymes (LD
Isoenzymes)
PLAIN TUBE OR GEL TUBE
Lamotrigine (LTG)
LITHIUM HEPARIN TUBE
Collect just before next dose. Note dosage, time of
dose and collection time on referral.
Lead–Blood
4mL EDTA TUBE
For occupational exposure collect before shift,
after showering & wearing clean clothes. Skin
around site must be cleaned thoroughly to avoid
contamination.
Lead–Urine 24 hour
24HR URINE (NIL PRESERVATIVE)
Note starting and finishing times on urine container.
Lead–Urine Random
YELLOW TOP CONTAINER–MORNING URINE
(preferred)
Legionella Antibody
PLAIN TUBE OR GEL TUBE
Legionella Culture–Sputum
YELLOW TOP CONTAINER–SPUTUM
An early morning deep cough specimen collected
prior to breakfast is preferred. The mouth should be
rinsed thoroughly with water prior to collection.
Leptin
Refer patient to collection centre
No Medicare rebate available.
Leptospira Antibody
PLAIN TUBE OR GEL TUBE