Imperial Collage Healthcare
05 February

Changes to Hillingdon referral tests


From February 2019 a number of biochemistry tests will be analysed at North West London Pathology’s hub laboratory based at Charing Cross. For some tests this will result in a change in reference range or units.

For more information please contact: Harjinder Chaggar, Biochemistry Manager, Hillingdon Hospital, 01895 279225 or email: ICHC-tr.biochemistryadvice@nhs.net

CHANGE IN REFERENCE RANGE AND UNIT

Test name

Old reference range

New reference range

Lipoprotein (a)

<300 mg/L

<75 nmol/L

Urine Catecholamines

Noradrenaline <590 nmol/24 hour

Adrenaline <190 nmol/24 hour

Dopamine <3270 nmol/24 hour

>16 years old:

Noradrenaline <0.69 umol/24 hour

Adrenaline <0.08 umol/24 hour

Dopamine <3.12 umol/24 hour

 

>6 years old:

Noradrenaline <0.42 umol/24 hour

Adrenaline <0.06 umol/24 hour

Dopamine <3.00 umol/24 hour

CHANGE IN REFERENCE RANGE

Test name

Old reference range

New reference range

ACE

20-90 IU/L

19 years+   20-70 IU/L                                                <19years   29 - 112 U/L

Apo B

0.49-1.03 g/L

0.43-1.28 g/L

Dihydrotestosterone

0.00-1.27 nmol/L

Males: 13 nmol/L;

Females: <1 nmol/L

5-HIAA

<50 μmol/24 h

<40 μmol/24 h

NO CHANGES TO REFERENCE RANGE OR UNITS

Anti-Mullerian Hormone

Oligoclonal bands

Vitamin D3

Beta-2 microglobulin

Phenobarbitone

Urine N-terminal telopeptide (NTX)

Beta-2 transferrin

Protein electrophoresis confirmation

 

Cryoglobulin confirmation

Vitamin D2

 

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