What are the indicators of normal human blood

The range of blood indicators for normal individuals varies depending on the testing items. Common indicators include hemoglobin, white blood cell count, platelets, blood glucose, liver and kidney function, etc., which need to be comprehensively judged based on age, gender, and physiological status.

1. Blood routine indicators:

The normal value of hemoglobin in adult males is 120-160g/L, and in females it is 110-150g/L; The white blood cell count is 4-10 × 10 ⁹/L; the platelet count is 100-300 × 10 ⁹/L. The reference values for children and pregnant women may differ, for example, hemoglobin levels in pregnant women may be as low as 110g/L, which is still considered normal.

2. Blood glucose and lipid:

The normal range of fasting blood glucose is 3.9-6.1 mmol/L, and the 2-hour postprandial blood glucose should be less than 7.8 mmol/L; Total cholesterol is recommended to be less than 5.2 mmol/L, and low-density lipoprotein cholesterol should be less than 3.4 mmol/L. Diabetes patients or high-risk groups need more stringent control standards.

3. Liver and kidney function:

The normal value of alanine aminotransferase (ALT) is less than 50U/L in males and less than 35U/L in females; The creatinine level is 53-106 μ mol/L for males and 44-97 μ mol/L for females. Renal function indicators need to be evaluated in conjunction with glomerular filtration rate eGFR, with a normal value greater than 90ml/min/1.73m ².

4. Electrolyte balance:

Blood potassium concentration is 3.5-5.5 mmol/L, blood sodium is 135-145 mmol/L, and blood calcium is 2.1-2.6 mmol/L. Electrolyte imbalance may cause arrhythmia or neurological symptoms, which need to be corrected in a timely manner.

5. Inflammation and immunity:

C-reactive protein CRP normal value<10mg/L, high-sensitivity CRP<3mg/L; The erythrocyte sedimentation rate is less than 15mm/h for males and less than 20mm/h for females. A negative self antibody index such as rheumatoid factor is considered normal, and a positive result should be judged based on clinical manifestations. Regular monitoring of blood indicators can help detect health hazards early. It is recommended to maintain a balanced diet, supplement with iron rich red meat and green leafy vegetables in moderation, and control the intake of high-fat and high sugar foods; 150 minutes of moderate intensity exercise per week; Avoid staying up late and overworking. People over 40 years old are recommended to undergo a comprehensive physical examination once a year, and those with a family history should increase the frequency of specialized examinations according to the doctor's advice. When the test results are abnormal, timely medical examination and follow-up should be sought to avoid self interpretation or delayed treatment.