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Laboratory Information

Test Name

Xanthochromia

External Price (excl. GST)

22.54

Specimen Collection

Adult Specimen

CSF

Pre Testing Requirements

Collect specimen between 12 hours and 2 weeks after suspected subarachnoid haemorrhage.

Instructions for Referral to Waikato Lab

Aliquot instructions

Sample must be centrifuged before sending

Aliquot Transport

Protect from light.

Test Information

Department

Microbiology and Biochemistry

Test Availability

Mon - Sun, 24hrs

Laboratory Turnaround Time

3hrs

Method

Spectrophotometry

Reference interval

Bilrubin NBA >0.007 Positive

Reference interval Attachments

Adj NBA calculator (Adj-NBA-calculator.xlsx, 12 KB)

Uncertainty of measurement

Bilirubin; At an absorbance of 0.011 ±40%. Oxyhaemoglobin; At an absorbance of 0.12 ±15%

Additional Information

Testing performed in Biochemistry after Microbiology have centrifuged and aliquoted the sample.

Minimum Volume

250uL

Electronic Information

Registration Code

XANTHO

HL7 mapping code

$XANTHO

Laboratory Test Reference Guide