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HelpTest Code DGXN Digoxin
Specimen Type
Serum
Container/Tube
Red Top
Offsite Collection Instructions
1. Collect sample following standard collection methods
2. Recommended that digoxin serum levels should be drawn at
least
4
hours after an intravenous dose and at least 6 hours after an
oral
dose (optimally 12-24 hours after a dose).
3. Within 2 hours of collection the sample must be spun and
aliquoted
4. Transport refrigerated (2 – 8C).
Turnaround Time
4 hours
Test Includes
N/A
Preferred Volume
0.5 mL
UCMC Collection Instructions
1. Collect sample following standard collection methods
2. Recommended that digoxin serum levels should be drawn at
least
4
hours after an intravenous dose and at least 6 hours after an
oral
dose (optimally 12-24 hours after a dose).
3. Within 2 hours of collection the sample must be received in
Laboratory Service Center
4. Transport room temperature (15 – 25C).
STAT Turnaround Time
1 hour
Test Usage
Measurements are used in the diagnosis and treatment of
digoxin
overdose and in monitoring levels of digoxin to ensure proper
therapy.
Critical Results
N/A
Test Limitations
Endogenous substances such as DLIF
(digoxin-like immunoreactive factors) may interfere with this
assay
by yielding slightly elevated results.
The manufacturer of Digoxin Immune FAb (Antibody fragment
therapy) has stated that no immunoassay technique is suitable
for
quantitating digoxin in serum from patients undergoing this
treatment.
Falsely elevated digoxin values are obtained in patients
undergoing digitoxin therapy. Samples from patients using Uzara
for
treatment of diarrhea may cause falsely elevated digoxin
results.
Coverage Information
N/A
Fee Code
43695
Stability: Room Temp
n/a
Stability: Refrigerated
24 hours
Stability: Frozen
1-2 weeks
Specimen Minimum Volume
0.2 mL
DAY(S) AND TIME(S) PERFORMED
24 hours, 7 days a week including holidays.
STAT DAY(S) AND TIME(S) PERFORMED
Available
CPT
80162
Method Name
Kinetic Interaction of Microparticles in solution (KIMS)
Reference Values
Adults: 0.8 – 2.0 ng/nL
Reject Due To
Whole blood/unspun samples greater than 6 hours will be
rejected.
Synonyms
N/A
Additional Information
CMS has
established a national
coverage policy (NCD) for Medicare for
this test as of November 25, 2002. Please document medical
necessity.
https://www.cms.gov/medicare-coverage-database/details/ncd-details.aspx?NCDId=103&ncdver=1&bc=AgEAAAAAAAAA
Included in Additional codes
N/A