Lactic Acid

Label Mnemonic:	LACTCSF
Epic code:	LAB8395
Downtime form:	Doctor/Provider Orders - Pathology Core and Specialty Care Nursery

Chemistry
6240 RCP
356-3527

Specimen(s):

CSF

Collection Medium:

CSF collection kit

Minimum:

0.5 mL

Delivery Instructions:

Deliver to laboratory immediately after collection. If > 30 minutes, place on ice.

Testing Schedule:

24 hrs/day, 7 days a week, including holidays.

Turn Around Time:

1 hour (upon receipt in laboratory)

Reference Range:

Birth to 3 days:        1.1-6.7 mmol/L
3-10 days:              1.1-4.4 mmol/L
> 10 days to 17 years:  1.1-2.8 mmol/L
18+ years:              1.1-2.4 mmol/L

Comments:

References:
Tietz NW. Clinical Guide to Laboratory Tests. 3rd edition. Philadelphia, PA: WB Saunders Co, 1995, pp. 383-383. [pediatric reference ranges]

Burtis CA and Ashwood ER, eds. Tietz Textbook of Clinical Chemistry. 3rd edition. Philadelphia, PA: WB Saunders, 1999, p. 1822 [adult reference range]

Test Limitations:

Ditaurobilirubin: No significant interference from ditaurobilirubin up to an approximate concentration of 6 mg/dL.

Methodology:

Enzymatic colorimetric

CPT Code:

83605

See Additional Information:
Specimens Requiring Immediate Delivery