IGF-1, LC/MS

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IGF-1, LC/MS

Test Code: FIGF1SO

Overview
Ordering
Specimen
Performing
Clinical/Interpretive
Contacts
Coding

Synonyms/Keywords

IGF1, IGF 1, Insulin-Like Growth Factor, Insulin Like Growth Factor, Somatomedin-C

Specimen Requirements

Specimen Type		Preferred Container/Tube	Acceptable Container/Tube	Specimen Volume	Specimen Minimum Volume (allows for 1 repeat)	Pediatric Minimum Volume (no repeat)
Serum		Red Top Tube (RTT)	Serum Separator Tube (SST)	0.5 mL	0.3 mL

Collection Processing Instructions

1. Draw blood in a plain red-top tube(s), serum separator tube(s) is acceptable.

2. Centrifuge and aliquot 0.5 mL of serum into a plastic vial.

3. Send refrigerated.

Specimen Stability Information

Specimen Type	Temperature	Time
Serum	Refrigerated (preferred)	7 days
Serum	Frozen	60 days

Rejection Criteria

Gross Hemolysis, Gross Lipemia, Gross Icterus, Specimens received in glass tube.

Performing Laboratory Information

Performing Location	Day(s) Test Performed	Reportable Available	Methodology/Instrumentation
200 1st St. SW Rochester, MN 55905	Monday through Sunday	4 to 8 days	Liquid Chromatography Mass Spectrometry (LC/MS)

Reference Lab

Mayo Clinic Laboratories

Reference Range Information

Pediatric	Male (ng/mL)	Female (ng/mL)
<1 Year	14-142	17-185
1-1.9 Years	12-134	15-175
2-2.9 Years	12-135	16-179
3-3.9 Years	30-155	38-214
4-4.9 Years	28-181	34-238
5-5.9 Years	31-214	37-272
6-6.9 Years	38-253	45-316
7-7.9 Years	48-298	58-367
8-8.9 Years	62-347	76-424
9-9.9 Years	80-398	99-483
10-10.9 Years	100-449	125-541
11-11.9 Years	123-497	152-593
12-12.9 Years	146-541	178-636
13-13.9 Years	168-576	200-664
14-14.9 Years	187-599	214-673
15-15.9 Years	201-609	218-659
16-16.9 Years	209-602	208-619
17-17.9 Years	207-576	185-551

Adult	(ng/mL)
18-19.9 Years	108-548
20-24.9 Years	83-456
25-29.9 Years	63-373
30-39.9 Years	53-331
40-49.9 Years	52-328
50-59.9 Years	50-317
60-69.9 Years	41-279
70-79.9 Years	34-245
>80 Years	34-246

Z-Score (Male and Female): -2.0 - +2.0 SD

Pediatric Tanner Stages: See Laboratory Report

Outreach CPTs

CPT	Modifier (if needed)	Quantity	Description	Comments
84305		1

Synonyms/Keywords

IGF1, IGF 1, Insulin-Like Growth Factor, Insulin Like Growth Factor, Somatomedin-C

Ordering Applications

Ordering Application	Description
Cerner	IGF-1, LCMS with Z Score (FIGF1)

If the ordering application you are looking for is not listed, contact your local laboratory for assistance.

Specimen Requirements

Specimen Type		Preferred Container/Tube	Acceptable Container/Tube	Specimen Volume	Specimen Minimum Volume (allows for 1 repeat)	Pediatric Minimum Volume (no repeat)
Serum		Red Top Tube (RTT)	Serum Separator Tube (SST)	0.5 mL	0.3 mL

Collection Processing

1. Draw blood in a plain red-top tube(s), serum separator tube(s) is acceptable.

2. Centrifuge and aliquot 0.5 mL of serum into a plastic vial.

3. Send refrigerated.

Specimen Stability Information

Specimen Type	Temperature	Time
Serum	Refrigerated (preferred)	7 days
Serum	Frozen	60 days

Rejection Criteria

Gross Hemolysis, Gross Lipemia, Gross Icterus, Specimens received in glass tube.

Reference Range Information

Pediatric	Male (ng/mL)	Female (ng/mL)
<1 Year	14-142	17-185
1-1.9 Years	12-134	15-175
2-2.9 Years	12-135	16-179
3-3.9 Years	30-155	38-214
4-4.9 Years	28-181	34-238
5-5.9 Years	31-214	37-272
6-6.9 Years	38-253	45-316
7-7.9 Years	48-298	58-367
8-8.9 Years	62-347	76-424
9-9.9 Years	80-398	99-483
10-10.9 Years	100-449	125-541
11-11.9 Years	123-497	152-593
12-12.9 Years	146-541	178-636
13-13.9 Years	168-576	200-664
14-14.9 Years	187-599	214-673
15-15.9 Years	201-609	218-659
16-16.9 Years	209-602	208-619
17-17.9 Years	207-576	185-551

Adult	(ng/mL)
18-19.9 Years	108-548
20-24.9 Years	83-456
25-29.9 Years	63-373
30-39.9 Years	53-331
40-49.9 Years	52-328
50-59.9 Years	50-317
60-69.9 Years	41-279
70-79.9 Years	34-245
>80 Years	34-246

Z-Score (Male and Female): -2.0 - +2.0 SD

Pediatric Tanner Stages: See Laboratory Report

For more information visit:

http://labtestsonline.org

Performing Laboratory Information

Performing Location	Day(s) Test Performed	Reportable Available	Methodology/Instrumentation
200 1st St. SW Rochester, MN 55905	Monday through Sunday	4 to 8 days	Liquid Chromatography Mass Spectrometry (LC/MS)

Reference Lab

Mayo Clinic Laboratories

For billing questions, see Contacts

Outreach CPTs

CPT	Modifier (if needed)	Quantity	Description	Comments
84305		1

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For most current information refer to the Marshfield Laboratory online reference manual.

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26724 IGF-1, LC/MS