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. Author manuscript; available in PMC: 2019 Feb 11.

Published in final edited form as: Hormones (Athens). 2017 Jan;16(1):92–98. doi: 10.14310/horm.2002.1723

Table 1.

Laboratory workup

	17 months (normal range)	8 years 8 months (normal range)	11 years 9 months (normal range)	12 years 8 months (normal range)	13 years 5 months (normal range)
IGF-1 (ng/mL)	32 (17–248)^*	303 on growth hormone (89–566)^*	620	363 on growth hormone (183–850)^*	570 off growth hormone (220–972)^*
AM Cortisol	8.6 mcg/dL (4.3–22.4)	8.7 mcg/dL (4.3–22.4)	NA	NA	NA
Prolactin	8 ng/mL (1.0–17.0)	21.7 ng/mL (2–25)	NA	NA	NA
Free T4 (ng/dL)	1.1 (0.8–1.8)	0.63 (0.8–1.8)	0.9 (0.9–1.7)	1.3 (0.9–1.7)	1.2 (0.9–1.7)
TSH (mcIU/mL)	1.41 (0.46–8.10)	0.9 (0.36–5.80)	0.82 (0.76–4.2)	0.27 (0.76–4.2)	0.22 (0.76–4.2)
FSH (U/L)	12	3.9	5.9	7.5	7.4
LH (U/L)	NA	<0.1	2.6	3.8	10.3
Estradiol (pg/mL)	Not detectable	NA	31.6	Not detectable	122.5

^*:

Normal range for age; NA: Not available