Specimen Collection

Sample stability:

• 1 day at 20-25 ^o C
• 5 days at 2-8 ^o C
• 6 months at -20 ^o C

4.5 mL PST Blood (Preferred)

1.5 mL Paediatric Micro-SST Blood (Random)

5 mL Heparin Blood

4 mL Plain Blood

3.5 mL SST Blood
Reference Intervals

Units: nmol/L

Progesterone (nmol/L)	Comment
0 - 6	Not indicative of ovulation (follicular phase)
6 - 25	Ovulation possible (luteal phase)
25 - 80	Consistent with ovulation (luteal phase)
32 - 140	pregnancy 1st trimester
62 - 262	pregnancy 2nd trimester
207 - 728	pregnancy 3rd trimester

Uncertainty of Measurement: 10%

Turnaround Time: Within 1 day
Assay Method

Principle: Competitive type immunoassay with chemiluminescence detection

Reagents: Roche Progesterone III

Analyser: Cobas e801

Diagnostic Use and Interpretation

Detection of ovulation and assessment of corpus luteum function.

Monitoring in-vitro fertilisation cycle down regulation therapy and subsequent embryo replacement.

Contact Information

The chemical pathology team can be reached via email: chemicalpathologist@adhb.govt.nz or via Lablink (09) 307 4949 ext 22000 or 09-3078995

Emails will receive priority attention from the on-call chemical pathologist. Include the patients NHI.

After-hours: contact Lablink (Auckland City Hospital ext. 22000 or 09-3078995) or hospital operator for on duty staff after hours .

• Dr Samarina Musaad (Clinical Lead) : SamarinaM@adhb.govt.nz ext. 22402
• Dr Cam Kyle : CampbellK@adhb.govt.nz ext 22052
• Dr Weldon Chiu : WeldonC@adhb.govt.nz ext. 23427
• Dr Campbell Heron : CHeron@adhb.govt.nz ext. 23427
• Dr Sakunthala Jayasinghe Saku.Jayasinghe@adhb.govt.nz
• Dr Owen Yi WenyiYi@adhb.govt.nz

Last updated at 11:42:03 16/01/2026