How can I tell if I have lupus erythematosus by checking my blood work?

  The patient: red spots on the face and fingers, finger joint pain, force to circle the finger pain, finger swelling, and seems to be frozen, nails and flesh thorns, no red spots on the face of the hand, nor on the body, the whole body is cold, irritable, freezing purple in winter, the first half of 06 years feel out, go to the hospital to see said this disease, hospital treatment for less than a month, no big effect, last winter and find a Chinese medicine doctor to prescribe some Chinese medicine, after drinking The effect was seen on the face, but not on the hands.  Expert introduction: Lupus erythematosus is an autoimmune disease, which can involve multiple systems and organs of the body, and multiple autoantibodies can be found in the patient’s blood and organs. Clinical manifestations: butterfly-shaped erythema on the face or patchy erythema on the face, or dark red erythema on the face, erythema on the hands and erythema under the nail, rash or skin photoallergy, low fever or conscious fever, irritable fever, dry mouth and throat, night sweating, insomnia and dreaminess, lumbago and fatigue, red eyes and heart, bleeding gums, or subcutaneous purple spots, or subcutaneous reticular cyanosis, red tongue, little or thin yellow coating, and fine or string pulse.  Diagnostic criteria of lupus erythematosus in China: 1. butterfly-shaped erythema or discoid erythema: flat or high skin fixed erythema all over the neck, often not involving the nasolabial fold area, discoid erythema, elevated erythema covered with keratinous scales and hair follicle damage, returning to the lesion may have skin atrophy 2. photosensitivity x10’/l or hemolytic anemia: sunlight exposure causes skin allergy 3. oral mucosa Ulcers: painless ulcers in the oral cavity or nasopharynx 4, non-deformative arthritis or polyarthralgia: non-erosive arthritis involving 2 or more peripheral joints, characterized by swelling, pain or effusion of the joints 5, pleurisy or pericarditis: chest pain, pleural grinding sounds or pleural effusion; pericarditis, abnormal electrocardiogram, pericardial grinding sounds or pericardial effusion 6, epilepsy or psychiatric symptoms: non-drug or metabolic disorders, such as 7. Proteinuria, tubuluria or hematuria: proteinuria >0.5g/dl or 3+; cellular tubuluria, either erythrocyte, hemoglobin, granular or mixed tubuluria.  8. Leukocytes less than 4×10’/l or platelets less than 100 9. Positive fluorescent antinuclear antibody 10. Positive anti-double-stranded DNA antibody or positive lupus cells 11. Positive anti-Sm antibody 12. Decreased O 13. Positive skin lupus band test (non-lesion site) or positive kidney biopsy Any 4 of the above 13 items can be diagnosed as lupus erythematosus.