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LABORATORY COMMUNICATIONS

Laboratory Memos

 

GENERAL INFORMATION

Laboratory Introduction

Laboratory Policies

Professional Staff Organisational Chart

Laboratory Accreditation

Research Support Services

Point of Care Services

Overseas Test Referral Services

Non-NUH Referral Services

 

INFORMATION WEBSITES

National University Hospital 

NUH Referral Laboratory

Mayo Clinic Laboratories

Test Code SG Specific Gravity, fluid

Laboratory Code

LAB3040217

Specimen Requirements

Specimen Type: Body Fluid
Container/Tube: Plain Sterile Container
Volume: 20.0 mL
Minimum Volume: 5.0 mL
Collection Instructions: Send sample to laboratory immediately.

Specimen Stability

Specimen Type Body Fluid
Ambient Not avaialble
Refrigerate 7 days
Frozen 7 days

Methodology

Refractometry

Days and Times Performed

24 hrs, TAT 1 day

Specimen Condition

Haemolysis Not applicable
Icterus Not applicable
Lipaemia Not applicable
Others Not applicable

Reference Interval

Urine SG: 1.003 – 1.030

Testing Laboratory

National University Hospital

Clinical Chemistry, 67724346

Useful For

Assessment of the kidney’s ability to concentrate urine.

An aid in determining the type of body fluid - exudate versus transudate.

Service Code

31251

LOINC Code Information

2965-2

Update

Last updated 14/03/2025