Commonly used collection containers

Red top and gold top tubes

  • Used for most chemistry tests.
  • Contain no anticoagulant.
  • Gold top “serum separator” tubes contain a special barrier to separate cells from serum when the specimen is centrifuged

Lavender top tubes

  • Most commonly used for hematology tests.
  • Contains EDTA anticoagulant.
  • Gently invert tube immediately after the phlebotomy to ensure blood, anticoagulant mixing.

Pink top tube

  • Used Exclusively for Blood Bank Tests (Transfusion Medicine).
  • Contains K2 EDTA anticoagulant.
  • Gently invert tube immediately after the phlebotomy to ensure blood, anticoagulant mixing.

Blue top tubes

  • Used for coagulation studies.
  • Contains sodium citrate anticoagulant.
  • Gently invert tube immediately after filling to ensure blood, anticoagulant mixing.
  • Blue top tubes must be full (to the full extent of the vacuum) to insure proper blood-anticoagulant dilution ratio.
  • If blood is drawn in a syringe, insert the needle through the tube’s cork and allow the tube to fill to capacity.

Green top tubes

  • Used for a variety of testing.
  • Contain lithium heparin anticoagulant.
  • Gently mix by inversion after filling tubes with blood.

24-hour urine specimen collection

If your doctor has requested a laboratory test that requires a 24-hour urine collection, please follow the instructions below to help ensure the accuracy and quality of your test.

Timed urine specimen collection

  • Larger containers are used to collect multiple voids.
  • Darkly colored for protection from light and without preservative.
  • Keep container refrigerated during the collection period .

Random urine and other specimens

  • Specialty collection containers are available and based on test requested.
  • Proper specimen collection and handling are required to ensure quality results.
  • If you require additional information or help, please call Salem Health Laboratories at 503-814-5227 (LABS).

Urine and other specimens can provide valuable information about the patient’s physical condition. Proper specimen collection and handling are required to ensure quality test results. If you require additional information or help, call Salem Health Laboratories at 503-814-5227 (LABS). 

Client Services

503-814-5227 (LABS)