a b c d e f g h i j k l m n o p q r s t u v w x y z #

Items starting with C

Codeine

Please contact the laboratory if codeine measurement is required for therapeutic monitoring purposes.

Units ug/L

Toxicology

Colistin resistant Gram Negative Organisms from Cystic Fibrosis patients

Microbiology

Complement C3

0.75-1.65 g/L

Biochemistry

https://pinboard.in/u:duty_biochemist/t:Complement/

Complement C4

0.14-0.54 g/L

Biochemistry

https://pinboard.in/u:duty_biochemist/t:Complement/

Congenital Cytomegalovirus (CMV) PCR and Guthrie Spots

Microbiology

Copper

Copper (serum) (CU)	µmol/L
0 – <4 months	1.4 – 7.2
4 – <6 months	3.9 – 17.3
6 months – <9 years	11.1-27.4
9 years – <13 years	11.2-23.7
13 years – 19 years	11.0-22.5
> 19 years	11.0-25.1
Pregnancy: 16 weeks to term	27 - 40
Wilson’s Disease	< 4

(Source: SAS Trace Element Update, 2018)

Toxicology

https://pinboard.in/u:duty_biochemist/t:Copper/

Cortisol

Before 10 am: 101.2 - 535.7 nmol/L,

After 5 pm: 79 - 477.8 nmol/L,

(Source: Abbott Diagnostics)

Biochemistry

https://pinboard.in/u:duty_biochemist/t:Cortisol/

Cortisol (Urine)

Reference ranges (corrected for 24 hour collection):

<130nmol/24h

Biochemistry

Cotinine

Urine cotinine concentrations below 50 ng/mL have been reported to reflect abstinence from tobacco for 2 or more weeks.

For further information please contact the laboratory

Biochemistry

http://www.labtestsonline.org.uk/understanding/analytes/nicotine/tab/test

Creatine Kinase (CK)

Values can vary according to muscle mass of the individual. For this reason we use different reference intervals for males and females and some ethnic differences.

Females: European 29-168 IU/ L (Abbott laboratories)
Females: AfroCarribean < 305 IU/L
Females: South Asian < 200 IU/L

Males: European 30-200 IU/L (Abbott laboratories)
Males: AfroCarribean < 600 IU/L
Males: South Asian < 330 IU/L

Biochemistry

https://pinboard.in/u:duty_biochemist/t:CK/

Creatinine

Serum creatinine:

64 - 104 µmol/L (Male)

49 - 90 µmol/L (Female)

(Source : Abbott Diagnostics)

As individuals age they usually lose muscle mass which means that if their renal function remains unaffected creatine concentration in serum should fall as we age. Conventional population based reference intervals have not usually been age stratified. The impact of this is that individuals can have creatinine concentrations within the conventional population reference range while having significant renal impairment.