ARUP's Laboratory Test Directory
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0070125: IGF-1 (Insulin-Like Growth Factor I)
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| Test Mnemonic: IGF-1 |
Methodology: Chemiluminescent Immunoassay
Performed: Sun-Sat
Reported: 1-2 days
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| Specimen Required: |
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Collect: One 4 mL SST. Also acceptable: green (sodium or lithium heparin).
Transport: 1 mL serum or plasma, frozen. (Min: 0.5 mL)
Pediatric Collection/Transport: 0.5 mL serum or plasma, frozen.
Unacceptable Conditions: EDTA plasma.
Stability: After separation from cells: Ambient: 2 hours; Refrigerated: 24 hours; Frozen: 1 year
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| Reference Interval: |
| Age
| Female
| Male
| 2 months-5 years
6-8 years
9-11 years
12-15 years
16-17 years
18-24 years
25-29 years
30-34 years
35-39 years
40-44 years
45-49 years
50-54 years
55-59 years
60-64 years
65-69 years
70-74 years
75 years and older
| 25-248 ng/mL
66-351 ng/mL
81-611 ng/mL
187-676 ng/mL
143-603 ng/mL
128-488 ng/mL
89-397 ng/mL
71-352 ng/mL
63-330 ng/mL
58-318 ng/mL
54-307 ng/mL
49-292 ng/mL
42-272 ng/mL
35-248 ng/mL
27-223 ng/mL
22-204 ng/mL
21-199 ng/mL
| 25-248 ng/mL
50-249 ng/mL
55-339 ng/mL
108-558 ng/mL
182-532 ng/mL
158-497 ng/mL
112-402 ng/mL
89-350 ng/mL
77-323 ng/mL
70-307 ng/mL
66-296 ng/mL
61-285 ng/mL
56-271 ng/mL
50-255 ng/mL
44-238 ng/mL
38-223 ng/mL
35-213 ng/mL
| Tanner Stage I
Tanner Stage II
Tanner Stage III
Tanner Stage IV & V
| 70-397 ng/mL
165-665 ng/mL
201-695 ng/mL
160-609 ng/mL
| 50-278 ng/mL
79-392 ng/mL
119-577 ng/mL
184-580 ng/mL
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