VITAMIN K1, SERUM

LAB1110

 

Collect

Plain red or serum separator tube. Also acceptable: Lavender (EDTA) or pink (K2EDTA).

Patient Preparation

Patient should fast overnight for 12 hours and should not consume alcohol for 24 hours prior to blood draw.

Specimen Preparation

Protect from light during collection, storage, and shipment. Separate serum or plasma from cells within 1 hour of collection. Transfer 1 mL serum or plasma to an ARUP Amber Transport Tube. (Min: 0.6 mL)

Unacceptable Conditions

Any specimen other than serum or EDTA plasma. Hemolyzed specimens.

Storage/Transport Temperature

Frozen. Separate specimens must be submitted when multiple tests are ordered.

Stability (from collection to initiation)

After separation from cells: Ambient: Unacceptable; Refrigerated: 1 month; Frozen: 6 months

Performed

Sun-Fri

Methodology

Quantitative High Performance Liquid Chromatography

Reported

2-5 days

Synonyms

  • K1, Vitamin, Serum
  • LAB1110
  • VIT K

Ordering Recommendations

Use for nutritional assessment of vitamin K1.

Reference Interval

0.22-4.88 nmol/L

Interpretive Data

Vitamin K concentration is reported as nanomoles per liter (nmol/L). To convert concentration to nanograms per milliliter (ng/mL), multiply the result by 0.45.

CPT Codes

84597
Collection

LAB1110

 

Collect

Plain red or serum separator tube. Also acceptable: Lavender (EDTA) or pink (K2EDTA).

Patient Preparation

Patient should fast overnight for 12 hours and should not consume alcohol for 24 hours prior to blood draw.

Specimen Preparation

Protect from light during collection, storage, and shipment. Separate serum or plasma from cells within 1 hour of collection. Transfer 1 mL serum or plasma to an ARUP Amber Transport Tube. (Min: 0.6 mL)

Unacceptable Conditions

Any specimen other than serum or EDTA plasma. Hemolyzed specimens.

Storage/Transport Temperature

Frozen. Separate specimens must be submitted when multiple tests are ordered.

Stability (from collection to initiation)

After separation from cells: Ambient: Unacceptable; Refrigerated: 1 month; Frozen: 6 months
Ordering

Performed

Sun-Fri

Methodology

Quantitative High Performance Liquid Chromatography

Reported

2-5 days

Synonyms

  • K1, Vitamin, Serum
  • LAB1110
  • VIT K

Ordering Recommendations

Use for nutritional assessment of vitamin K1.
Result Interpretation

Reference Interval

0.22-4.88 nmol/L

Interpretive Data

Vitamin K concentration is reported as nanomoles per liter (nmol/L). To convert concentration to nanograms per milliliter (ng/mL), multiply the result by 0.45.

Administrative

CPT Codes

84597

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