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Biochemistry

Growth Hormone (GH)

Growth Hormone (GH)

Reference Range

No reference range for Growth Hormone is quoted, as levels can depend upon the time of day, medication and exercise.

  • Turnaround Time: 3 working days
Amylase (serum)

Amylase (serum)

Reference Range

25 - 125 IU/L

  • Turnaround Time: 24 hours
Androstenedione

Androstenedione

Reference Range

 

Adults

Female (pre-menopause): 0.9 - 7.5 nmol/L

Female (post-menopause): 0.4 - 2.9 nmol/L

Male (18-40yrs): 1.1 - 5.6 nmol/L

Male (41-67yrs): 0.8 - 4.7 nmol/L

 

Paediatrics

Neonates: <8.0 nmol/L

Female tanner stage 1: <1.8 nmol/L

Male tanner stage 1: <1.1 nmol/L

 

  • Turnaround Time: 5 working days
Angiotensin Converting Enzyme (ACE)

Angiotensin Converting Enzyme (ACE)

Reference Range

 

Adults:               20-70 IU/L

(Source: Buhlmann Laboratories)

Serum levels in individuals under 18 years of age are substantially higher and more variable than in adults.

 

  • Turnaround Time: 7 days
Porphyrins/Porphyria analysis (Urine/Faecal/Blood specimens)

Porphyrins/Porphyria analysis (Urine/Faecal/Blood specimens)

Reference Range

Specialist investigations: Ref ranges reported by referral laboratory (Cardiff porphyria service)

  • Turnaround Time: 2-3 weeks
Haptoglobin

Haptoglobin

Reference Range

Males        0.14 - 2.58 g/L

Females    0.35 - 2.50 g/L

  • Turnaround Time: 24 hours
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