LH

Pathology category

Biochemistry

Code

LH

Referral code

Request form

Test information

For assessment of mid-cycle or possible PCOS

Guidelines

Pre-analytical

Reference range

Males: 1.24 – 8.62 IU/L
Females:
Mid-Follicular: 2.12 – 10.89 IU/L
Mid-Cycle Peak: 19.18 – 103.03 IU/L
Mid-Luteal: 1.20 – 12.86 IU/L
Postmenopausal: 10.87 -58.64 IU/L

Source: Beckman Coulter

Tube type

Tube type info

Adults: 5ml Serum SST (gold top)

Paediatrics: 0.5ml lithium/heparin (orange top)

Special requirements

Minimum volume

Adults: 0.5 ml

Paediatrics: 0.3 ml

Assay frequency

Run daily at local laboratory

TAT Inpatient (urgent)

TAT Inpatient

48 hrs

TAT GP/Outpatient

48 hrs

Referral lab

Local, Clinical Biochemistry