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

Emails to chemicalpathologist@adhb.govt.nz will receive priority attention from the on-call chemical pathologist.

If the query concerns a specific patient please include the NHI number in your email.

If email is not a suitable option, please contact the on-call chemical pathologist via Lablink (Auckland City Hospital ext. 22000 or 09-3078995).

Individual chemical pathologists may be contacted but will not be available at all times.

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: Sakunthala@adhb.govt.nz ext. 23427

Last updated at 15:26:00 06/01/2025