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Test Code CHEM34 Chem 6 (Lytes, BUN, CREA)

Synonym

  • CHM6

Profile Information

Reporting Name Available Separately Always Reported
Sodium Yes Yes
Potassium Yes Yes
Chloride Yes Yes
Carbon Dioxide Yes Yes
BUN Yes Yes
Creatinine Yes Yes
BUN/Crea Ratio No Yes
Anion Gap No Yes
eGFR No Yes

Specimen Required

Preferred Container/Tube: Mint Green Top
Acceptable Container/Tube: Mint Green Top, Gold SST Top
Specimen Volume: 3 mL
Specimen Minimum Volume: 2 mL

Specimen Stability Information

Refrigerated: 24 hours

Rejection Due To

  • Gross hemolysis
  • Gross icterus
  • Quantity not sufficient
  • Quality not acceptable

Reference Values

FEMALE MALE

Sodium
0-6 days: 133-146 mmol/L
7-30 days: 134-144 mmol/L
31-182 days: 134-142 mmol/L
183-365 days: 133-142 mmol/L
1+ years: 135-145 mmol/L

 

Potassium
0-7 days: 3.2-5.5 mmol/L
8-30 days: 3.4-6.0 mmol/L
31-182 days: 3.5-5.6 mmol/L
183-365 days: 3.5-6.1 mmol/L
1-17 years: 3.3-4.6 mmol/L
18+ years: 3.5-5.0 mmol/L

 

Chloride
0-365 days: 98-113 mmol/L
1-17 years: 102-112 mmol/L
18+ years: 98-108 mmol/L

 

Carbon Dioxide
0-2 years: 13-29 mmol/L
3+ years: 21-31 mmol/L

 

BUN
7-25 mg/dL

 

Creatinine
0-30 days: 0.50-0.90 mg/dL
31-365 days: 0.40-0.60 mg/dL
1-3 years: 0.40-0.70 mg/dL
4-6 years: 0.50-0.80 mg/dL
7-9 years: 0.50-0.90 mg/dL
10-12 years: 0.60-1.00 mg/dL
13-15 years: 0.70-1.10 mg/dL
16-18 years: 0.80-1.20 mg/dL
19+ years: 0.50-1.20 mg/dL

 

Anion Gap
7-17 mmol/L

 

eGFR
≥60 mL/min/1.73m2

Sodium
0-6 days: 133-146 mmol/L
7-30 days: 134-144 mmol/L
31-182 days: 134-142 mmol/L
183-365 days: 133-142 mmol/L
1+ years: 135-145 mmol/L

 

Potassium
0-7 days: 3.2-5.5 mmol/L
8-30 days: 3.4-6.0 mmol/L
31-182 days: 3.5-5.6 mmol/L
183-365 days: 3.5-6.1 mmol/L
1-17 years: 3.3-4.6 mmol/L
18+ years: 3.5-5.0 mmol/L

 

Chloride
0-365 days: 98-113 mmol/L
1-17 years: 102-112 mmol/L
18+ years: 98-108 mmol/L

 

Carbon Dioxide
0-2 years: 13-29 mmol/L
3+ years: 21-31 mmol/L

 

BUN
7-25 mg/dL

 

Creatinine
0-30 days: 0.50-1.20 mg/dL
31-365 days: 0.40-0.70 mg/dL
1-3 years: 0.40-0.70 mg/dL
4-6 years: 0.50-0.80 mg/dL
7-9 years: 0.60-0.90 mg/dL
10-12 years: 0.60-1.00 mg/dL
13-15 years: 0.60-1.20 mg/dL
16-18 years: 0.80-1.40 mg/dL
19+ years: 0.70-1.30 mg/dL

 

Anion Gap
7-17 mmol/L

 

eGFR

≥60 mL/min/1.73m2

Method Description

NA K CL

Indirect ion-selective electrode

 

CO2
Photometric

 

BUN
Photometric rate

 

CREA

Kinetic Jaffe

 

ANION GAP

(Na + K) – (Cl + CO2)

 

BUN/CREA RATIO

BUN/Creatinine

 

eGFR

CKD-EPI 2021 refit using creatinine, age, and sex

 

OSMO CALC

(1.86 (Na +K) + 1.15 (Glucose/18) + (Urea/2.8) + 14 where Na and K are in mmol/L; Glucose and Urea are in mg/dL

Performing Lab

Clinical Lab UH
Clinical Lab University East
Clinical Lab James
Clinical Lab Martha Morehouse
Clinical Lab Spielman
Clinical Lab West Campus

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 day

Reporting Name

Chem 6 (Lytes, Bun Crea)

CPT Code Information

80051
82565
84520

LOINC Code Information

2951-2
2823-3
2075-0
2028-9
3094-0
2160-0
10466-1
98979-8