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HelpTest Code PRL Prolactin
Additional Codes
| Epic Ordering Code | LAB531 |
| NBS code | LBC13054 |
| Service code | 31665 |
Specimen Requirements
Submit the following:
| Container: |
| Yellow Top |
Processing Requirements
Allow specimen to clot for 30 mins and centrifuge within 2 hours
Specimen type: Serum
Volume: 0.5mL
Specimen Stability
| Specimen Type | Serum |
|---|---|
| Ambient | 24 hours |
| Refrigerate | 7 days |
| Frozen | 12 months |
Specimen Condition
| Gross Haemolysis | Alert/Reject |
|---|---|
| Icterus | OK |
| Lipaemia | OK |
| Others | Not applicable |
Methodology
Chemiluminescent Immunoassay
Days and Times Performed
24 hrs, TAT 1 day
Reference Interval
| Age | Male | Female |
|---|---|---|
| 4 – 29 days | 264 – 4,468 mIU/L | |
| 30 days – < 1 yr | 132 – 2,388 mIU/L | |
| 1 – 18 yrs | 88 – 484 mIU/L | |
| ≥ 19 yrs | 73 – 407 mIU/L | 109 – 557 mIU/L |
Female
Tanner Stage I: 44 – 417 mIU/L
Tanner Stage II: 83 – 484 mIU/L
Tanner Stage III: 82 – 485 mIU/L
Tanner Stage IV: 123 – 487 mIU/L
Tanner Stage V: 114 – 486 mIU/L
Male
Tanner Stage I: 66 – 417 mIU/L
Tanner Stage II: 75 – 391 mIU/L
Tanner Stage III: 82 – 485 mIU/L
Tanner Stage IV: 126 – 419 mIU/L
Tanner Stage V: 136 – 671 mIU/L
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Diagnosis and management of pituitary adenoma.
Investigation of hypogonadism.
Update
Last updated 27/07/2026
LOINC Code Information
83111-5