LDH

Pathology category

Biochemistry

Code

LDH

Referral code

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Test information

For monitoring of myeloproliferative disorders, also eleveted in malignancy. Level raised by haemolysis

Guidelines

Pre-analytical

Haemolysis unsuitable

Reference range

Male (IU/L)                      Female (IU/L)
0 – 15D           256 – 1017                            256 – 1017
15D – 1Y         135 – 375                              135 – 375
1Y – 10Y          159 – 266                             159 – 266
10Y – 15Y        141 – 235                              130 – 255
15Y – 19Y        107 – 207                             107 – 207
Adult                    0 – 248                                0 – 247

Source: Beckman Coulter

Tube type

Tube type info

Adults: 5ml Serum SST (gold top)

Paediatrics: 0.5ml lithium/heparin (orange top)

Special requirements

Minimum volume

Adults: 0.5 ml

Paediatrics: 0.1 ml

Assay frequency

Run daily at local laboratory

TAT Inpatient (urgent)

1.5 hrs

TAT Inpatient

4 hrs

TAT GP/Outpatient

24 hrs

Referral lab

Local, Clinical Biochemistry