| Test | Luteinising Hormone (LH) |
| Department | Clinical Biochemistry, Rotherham NHS Foundation Trust |
| Comment | LH is assayed for all gonadotrophin requests |
| Sample type | Blood |
| Sample tube | Serum (brown top) or lithium heparin plasma (orange top) |
| Collection conditions | No special requirements |
| Minimum volume | 0.5 ml blood (100ul of serum absolute minimum) |
| Reference ranges (adult) |
Female Follicular = 2 - 15 IU/L Male = 2 - 12 IU/L Midcycle = 22 - 105 IU/L Luteal = 0.6 - 19 IU/L Post menopausal = 16 - 64 IU/L |
| Reference ranges (paediatric) |
In neonates and infants up to the age of 6 months LH can be measured as an index of pituitary function (range is similar to adults). Thereafter LH levels undetectable until puberty. |
| Author | Dr Robert Lord (Consultant) |
| Date | 03.03.11 |
| Interpretation | http://www.clinbiochem.info/lablh2.1.pdf |
