Collect

1.0 mL Red No Gel
Place specimen on ice after collection and deliver to lab immediately

Minimum Collection Volume

0.5 mL blood or 200 μL serum

Stability (from collection to initiation)

Freeze as soon as possible.  Unacceptable after 2 hrs ambient.

Specimen Preparation

After collection place on ice.  Separate serum from cells ASAP within 2 hours of collection. Transfer 1 ml to aliquot tube.

Storage/Transport Temperature

Store serum sample at -70 °C. Transport on dry ice.

Performing Lab

Nephrology

Performed

Daily (Monday - Friday)

Unacceptable Conditions

Separator tubes. Specimens left to clot at 2-8°C. Specimens exposed to repeated freeze/thaw cycles. Non-frozen specimens.

Units of Measure

CH50 Units

Synonyms

  • Ch50 Complement Total
  • Ch50

Tests Included

CH50 Total Complement

Methodology

In Vitro Liposome Immunoassay

Reported

Daily

Reference Interval

Low: <30
Normal: 30-75
High: >75

CPT Codes

86162

Lab Use Only

Allow to clot for one hour at room temperature. Spin/pour off/freeze serum in separate aliquot.
Collection

Collect

1.0 mL Red No Gel
Place specimen on ice after collection and deliver to lab immediately

Minimum Collection Volume

0.5 mL blood or 200 μL serum

Stability (from collection to initiation)

Freeze as soon as possible.  Unacceptable after 2 hrs ambient.

Specimen Preparation

After collection place on ice.  Separate serum from cells ASAP within 2 hours of collection. Transfer 1 ml to aliquot tube.

Storage/Transport Temperature

Store serum sample at -70 °C. Transport on dry ice.

Performing Lab

Nephrology

Performed

Daily (Monday - Friday)

Unacceptable Conditions

Separator tubes. Specimens left to clot at 2-8°C. Specimens exposed to repeated freeze/thaw cycles. Non-frozen specimens.

Units of Measure

CH50 Units
Ordering

Synonyms

  • Ch50 Complement Total
  • Ch50

Tests Included

CH50 Total Complement

Methodology

In Vitro Liposome Immunoassay

Reported

Daily

Result Interpretation

Reference Interval

Low: <30
Normal: 30-75
High: >75
Laboratory Personnel Use

CPT Codes

86162

Lab Use Only

Allow to clot for one hour at room temperature. Spin/pour off/freeze serum in separate aliquot.

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