Multiple-specimen Testing

The procedures listed below are for timed, multiple-specimen tests only. All specimens are from the same patient and will be submitted to the laboratory simultaneously. Each specimen must be clearly labeled with the patient's name and the date and time of collection. Multiple-specimen labels (sequence labels) can be obtained from Labcorp. See below for ordering and labeling instructions. Only one test request form accompanies the specimens; do not submit a separate test request form for each specimen. The test request form is completed with all patient information, including any medications administered and the number of specimens submitted. The test request form and all specimens should be submitted in one container (box or plastic specimen transport bag). Each result will be identified on the report by the corresponding specimen sequence numbers, associated times, or draw site(s) supplied. See the Comprehensive List of Procedures for additional individual test information.

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Test	CPT	Specimen	Volume	Storage	Number of Tubes
Test	CPT	Specimen	Volume	Storage	x2	x3	x4	x5	x6	x7	x8
ACTH	82024	EDTA plasma	0.8 mL	Freeze	225250	038927	225268	038919	225276	038901	267708
Aldosterone	82088	Serum or EDTA plasma	1 mL	Refrigerate	237537	053272	361626	271190	015795	015796	010848
Calcitonin	82308	Serum	1 mL	Freeze	048249	026781	026799	026807	026815	015797	019845
Cortisol, Salivary	82533	Saliva	1 mL	Refrigerate	502120	502122	502124	503775	503776	503777	−
C-peptide	84681	Serum	0.8 mL	Refrigerate	143302	143333	143324	015798	319609	015801	015804
DHEA	82626	Serum	1 mL	Refrigerate	273813	226803	226811	226829	226837	015809	015810
DHEA-S	82627	Serum	0.8 mL	Refrigerate	144691	144706	146316	144707	144708	144710	144711
Gastrin	82941	Serum	0.5 mL	Freeze	208827	038745	039438	038752	204644	034934	211268
Growth Hormone	83003	Serum	0.8 mL	Refrigerate	026898	038844	045997	038836	004267	038869	208835
17-OH Progesterone LC/MS	83498	Serum or EDTA plasma	1 mL	Refrigerate	070037	070078	070083	070090	070120	070132	070145
Insulin	83525	Serum	0.8 mL	Refrigerate	146902	146993	147074	147165	147256	147397	014319
Renin Activity	84244	EDTA plasma	1 mL	Freeze	053686	038695	049510	038703	049528	091173	091181

Labeling Multiple-specimen Submissions

Labels (Multispecimen Panel) can be ordered from Labcorp using item Nº 3715. These labels, orange in color, are available in a pack containing five sheets with a total of 600 labels. Sequence labels will be applied at the top of the specimen tube, just below the tube's top or cap (see following diagram for correct orientation). This places the label away from other labels on the tube and should prevent it from being covered up by bar codes, accession labels, etc. Room is available on the label so that a sequence number (eg, #1, #2, etc), collection time (eg, 8 AM, 9 AM), time description (eg, fasting, 30 minutes, etc), or the description of a draw site (eg, in renal vein sampling, an abbreviation such as IVC) may be written.

Frozen Gel Packs. To ensure specimen integrity during warm weather, follow these Instructions for Use of frozen gel packs and specimen lockboxes.

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