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HelpTest Code LAB 0001913 Urinalysis With Reflex to Microscopic, Reflex to Culture
Methodology
Urinalysis by Dip Stick, Automated with Microscopy
Performing Laboratory
Alomere Health Hospital Laboratory
Specimen Requirements
Must arrive in lab so testing can be completed within 8 hours of collection.
Specimen Type: Urine, random collection from first morning void
Collection Container/Tube: Sterile, plastic urine collection container. Vacutainer tubes set for collection.
Specimen Volume: 10 mL
Specimen Minimum Volume: 3 mL in sterile cup. If using Vacutainer tube set, gray top must be filled to line on label, with a minimum of 3 mL in yellow top.
Collection Instructions:
- No preservative
- Follow instructions in “Urine Collections” in “Special Instructions.”
Reject Due To:
Samples >8 hours old.
Culture will be cancelled if reflexed when squamous epithelials are >5 per hpf.
Specimen Transport Temperature
Refrigerated
Reference Values
Specific Gravity: 1.010-1.030
pH: 5.5-8.5
Protein: negative
Glucose: negative
Ketone: negative
Bilirubin: negative
Blood: negative
Leukocytes: negative
Nitrate: negative
Urobilinogen: <2.0 EU/dL
Reflex Information
Reflex Triggers for Microsopic:
| Specific gravity |
≥1.030 |
| Clarity | Cloudy, turbid |
| Glucose | >1+ (age 0-2 years any positive glucose) |
| Protein | >Trace |
| Nitrites | Positive |
| Red Blood Cells | Positive |
| Leukocyte Esterase | Positive |
Reflex triggers for culture:
| Nitrite | Positive |
| Leukocyte Esterase | 1+, 2+, 3+, 4+ |
| Microscopic White Blood Cells | 6-10, 10-20, 20-50, >50, Full field |
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
81001 (with microscopic)
81003 (without microscopic)