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Inhibin B (s) (Fa. Beckman Coulter) (Serum (s), frozen)

Testcode:	E_INHIB
Specimens:	500 µl Serum (s), frozen
Preanalytics/Notes:	The 3rd to 5th day of the menstrual cycle is suitable for testing inhibin B. Withdraw venous blood without additives, let blood coagulate, transfer supernatant serum into a new tube, label it accordingly, then freeze it and dispatch it frozen. Patients receiving high doses of Biotin (> 5 mg/day) should be sampled at least 8 hours after the last aplication, as high levels of the Biotin may interfere with the insulin-and c-peptide-test systems.
Method:	ELISA
Dimension:	ng/l
Set-up:	Mon Tue Wed Thu Fri Sat Sun
Duration:	10 days
Indication/Significance:	Within the scope of a fertility therapy, diagnostic assessment of the residual ovarian function Tumour markers with granulosa-cell tumours of the ovary Assessment of the spermatogenesis in men
Interpretation:	In women with diminished more… In women with diminished ovarian reserves, the levels drop to the lower normal range during the perimenopause. Patients with a low ovarian response show a smaller inhibin B increase under stimulation treatment. In men, inhibin values correlate with the testicular volume and sperm density. The combined determination of FSH, LH and inhibin B results in a far better estimate of the testicular function than the sole FSH and LH determination. Inhibin B has a high sensitivity and specificity for granulosa-cell tumours in postmenopausal women after ovariectomy on both sides. close
Further tests:	Both sexes: LH, FSH For women and children: Anti-mullerian hormone, estradiol

Reference range / valuation (openclose)

male
from 0 - 17 Years
Tanner stage I: 56 ng/l - 143 ng/l Tanner stage II: 55 ng/l - 164 ng/l Tanner stage III: 81 ng/l - 172 ng/l Tanner stage IV: 107 ng/l - 311 ng/l Tanner stage V: 107 ng/l - 322 ng/l
from 18 Years - 120 Years	92,0 - 316,0 ng/l

female
from 0 - 17 Years	< 196,0 ng/l
Tanner stage I: < 10 ng/l - 100 ng/l Tanner stage II: < 10 ng/l - 240 ng/l Tanner stage III: 28 ng/l - 227 ng/l Tanner stage IV: < 10 ng/l - 205 ng/l Tanner stage V: < 10 ng/l - 177 ng/l
from 18 Years - 120 Years	10,0 - 185,0 ng/l
Postmenopausal: < 10 ng/l

Representation of age: "from" refers to the commenced year(s) (month) of age; "until" refers to the completed year(s) (month) of age.

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Abrechnung GOÄ

Die Kosten werden für den i. d. R. genutzten 1,15-fachen GOÄ-Satz dargestellt. Wird die Untersuchung nicht in Ihrem regionalen Labor durchgeführt, erfolgt die Analyse in dem Labor, das im Leistungsverzeichnis genannt ist. In diesem Fall gilt der dort für die Untersuchung angegebene Preis.