Pathology Handbook

New search

Alternative Names:

BTP

Laboratory:

Clinical Biochemistry

Test Code:

BTP

Specimen Types:

Fluid

Container Types:

Plain 70mL pot

Adults Volume or Mass:

1 mL

Minimum/Paediatric Volume or Mass:

0.5 mL

Collection & Request Instructions:

Must send serum sample at same time as fluid sample

Transport Instructions between Sites and/or Laboratories:

Room Temperature

Assay Frequency:

As Requested

Billing Information:

This test is not MBS Rebatable

Additional Notes:

If BTP in the fluid sample is:

<0.7mg/L: presence of CSF is improbable

≥1.3mg/L: presence of CSF is likely

If BTP in the fluid sample is 0.7-1.29mg/L consider ratio.

If ratio is <2.0: presence of CSF is improbable

If ratio is ≥2.0: presence of CSF is likely

Reference intervals are sourced from Siemens N Latex BTP kit insert (Ref: 10709757GC11, V07/2018)