Last Modified:
3/27/2019 3:18:40 PM
Medical Necessity Documentation:
Client Notes:
Patient Preparation:
Patient should avoid seafood consumption 48 hours prior to specimen collection
Specimen Requirements:
7.0 mL aliquot from a well mixed 24 hour Urine Collection in an metal-free leak-proof container
Collection Instructions:
Avoid worksite collection
24-hr collection jug should be acid washed or metal free
1. When starting the 24-hour period, urinate and discard (throw-away) this specimen. NOTE THE TIME
2. From that time on, collect all urine by urinating into a clean container and transfer into the provided container.
DO NOT URINATE DIRECTLY INTO CONTAINER.
3. Try to pass the last urine just prior to the end of the 24 hour period. Add this urine into the container.
4. Urine Specimen should be kept refrigerated during and after collection.
For patient collection instruction sheet see Addendum D
For Spanish patient collection instruction sheet see Addendum D
For Burmese patient collection instruction sheet see Addendum D
For Arabic patient collection instruction sheet see Addendum D
Minimum Volume:
3.0 mL
Transport & Storage: Temperature/Stability:
48 hours Ambient
5 days Refrigerated (transport/cold packs)
14 days Frozen
Rejection Criteria:
Ambient Specimens
Reference Range:
| Arsenic, 24-Hour Urine |
≤80 mcg/L |
| Lead, 24-Hour Urine |
<80 mcg/L |
| Mercury, 24-Hour Urine |
≤20 mcg/L |
Critical Ranges:
Mercury Toxic Level: > or = 150 mcg/L
Test Comments:
Limitations: Ingestion of seafood within three days of specimen collection can affect results.
Methodology:
ICP/MS
Clinical Significance:
Excessive exposure to Heavy Metals can cause acute and chronic toxicity. Heavy Metals Panel is intended to evaluate and monitor exposure to heavy metals and evaluate the process of detoxification.
Documentation:
Tests performed on a specimen submitted in a non-trace element tube or non acid-washed/non metal-free container may not accurately reflect the patient's level. If a non-trace element tube/container is received, it will be accepted for testing. However, elevated results shall be reported with a message that re-submission with a trace element tube/container is recommended.
Custom Panel:
No
PRODUCTION SCHEDULE
Turn Around Time:
4 to 7 days
Days Performed:
Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed:
Quest - Chantilly
PHL Test Code:
UH24
EPIC Test Code:
LAB2123
Send Out Test Code:
36438
Alternate Test Names:
Former Name: Heavy Metal Screen, 24-hour Urine
Included Tests:
Arsenic 24 hour Urine; Lead 24 hour Urine; Mercury 24 hour Urine
CPT Coding:
82175, 83655, 83825
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