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biochemical test
electrolytes, blood gas

Laboratory：Hachioji

○electrolytes, blood gas

TEST NAME	SPECIMEN REQUIREMENT （ｍL）	CONTAINER	CAP COLOR	STORE TEMPERATURE (STABILITY)	TURNAROUND TIME (DAY)	METHODOLOGY	REFERENCE RANGE (UNIT)
Sodium (Na)	serum 0.5	S09 ↓ A00		（1 month）	2-4	Ion-selective electrode Ion-selective electrode The electrode method uses electric charge-transfer reaction at the liquid interface. Ion-selective electrode is used to measure ionic concentrations based on a potential difference which occurs proportionally to the logarithm of ionic activity in response to a specific ion.	136-147 (mEq/L)
Sodium (Na)	urine collected for 24 hrs 0.5	U00			2-4	Ion-selective electrode Ion-selective electrode The electrode method uses electric charge-transfer reaction at the liquid interface. Ion-selective electrode is used to measure ionic concentrations based on a potential difference which occurs proportionally to the logarithm of ionic activity in response to a specific ion.	1.6-5.8 (g/day)
Potassium (K)	serum 0.5	S09 ↓ A00		（1 month）	2-4	Ion-selective electrode Ion-selective electrode The electrode method uses electric charge-transfer reaction at the liquid interface. Ion-selective electrode is used to measure ionic concentrations based on a potential difference which occurs proportionally to the logarithm of ionic activity in response to a specific ion.	3.6-5.0 (mEq/L)
Potassium (K)	urine collected for 24 hrs 0.5	U00			2-4	Ion-selective electrode Ion-selective electrode The electrode method uses electric charge-transfer reaction at the liquid interface. Ion-selective electrode is used to measure ionic concentrations based on a potential difference which occurs proportionally to the logarithm of ionic activity in response to a specific ion.	1.0-3.9 (g/day)
Chloride (Cl)	serum 0.5	S09 ↓ A00		（1 month）	2-4	Ion-selective electrode Ion-selective electrode The electrode method uses electric charge-transfer reaction at the liquid interface. Ion-selective electrode is used to measure ionic concentrations based on a potential difference which occurs proportionally to the logarithm of ionic activity in response to a specific ion.	98-109 (mEq/L)
Chloride (Cl)	urine collected for 24 hrs 0.5	U00			2-4	Ion-selective electrode Ion-selective electrode The electrode method uses electric charge-transfer reaction at the liquid interface. Ion-selective electrode is used to measure ionic concentrations based on a potential difference which occurs proportionally to the logarithm of ionic activity in response to a specific ion.	2.5-8.9 (g/day)
Magnesium (Mg)	serum 0.5	S09 ↓ A00		（1 month）	2-4	Xylidyl blue method	1.8-2.6 (mg/dL)
Magnesium (Mg)	urine collected for 24 hrs 0.5	U00			2-4	Xylidyl blue method	0.02-0.13 (g/day)
Calcium (Ca)	serum 0.5	S09 ↓ A00		（28 days）	2-4	Arsenazo Ⅲ	8.5-10.2 (mg/dL)
Calcium (Ca)	urine collected for 24 hrs 0.5	U00			2-4	Arsenazo Ⅲ	0.1-0.3 (g/day)
Ionized calcium	serum 0.9	S09 ↓ A00			3-5	Ion-selective electrode Ion-selective electrode The electrode method uses electric charge-transfer reaction at the liquid interface. Ion-selective electrode is used to measure ionic concentrations based on a potential difference which occurs proportionally to the logarithm of ionic activity in response to a specific ion.	2.41-2.72 (mEq/L)
Inorganic phosphorus (P)	serum 0.5	S09 ↓ A00		（1 month）	2-4	Molybdic acid direct method	2.4-4.3 (mg/dL)
Inorganic phosphorus (P)	urine collected for 24 hrs 0.5	U00			2-4	Molybdic acid direct method	0.5-1.0 (g/day)
Osmotic pressure	serum 0.7	S09 ↓ A00			2-4	Freezing point depression	276-292 (mOsm/Kg H2O)
Osmotic pressure	random urine 1	U00			2-4	Freezing point depression	Condensed: ≧850 Diluted: 40-85 (Fishberg test) (mOsm/Kg H2O)