• Before donating blood, you should avoid fatty foods, alcohol, coffee, and limit smoking.
• It is necessary to refrain from physical exertion and stressful situations.
• Blood should be donated before any medical diagnostic and physiotherapy procedures.
• We allow the consumption of water before the examination.

• For infants - before donating blood, you should wait as long as possible between feedings (2-3 hours).
• For home collection of biomaterial (urine, feces), it is recommended to collect the material in a special container. It is forbidden to use containers that have already been used in the home (dishes, containers from other detergents, etc.) as this affects the quality of the research results.
• The recommendations of your doctor always come first.

An important condition that guarantees a correct and reliable analysis result is the correct preparation of the patient directly before taking the analysis.

Preparing for a blood test.

Biochemical studies.

To exclude factors that affect the results of the study, when preparing for a general blood test, blood sugar test, and biochemical tests, the following rules must be followed:

1. It is recommended to donate blood for laboratory tests in the morning on an empty stomach before 11:00, after a 12-hour overnight fast. It is also allowed to donate blood during the day with a break of at least 6 hours after eating.

• strictly on an empty stomach (analysis of lipid metabolism indicators) – dinner 14 hours before material collection;

• strictly on an empty stomach (serological and biochemical tests and others) – dinner at least 10 hours before material collection;

• general blood test – an hour before the sample is taken, a light breakfast is allowed, excluding the use of sugar, apples and milk;

• It is advisable to give children under 5 years of age boiled water before donating blood (in portions of up to 150 - 200 ml, within 30 minutes);

• for infants – before donating blood, allow the maximum possible pause between feedings;

• On the day of the test, it is permissible to drink a small amount of water.

2. On the eve of the analysis, it is necessary to refrain from physical exertion, alcohol and medication (if possible), and changes in the usual diet.

3. Go to bed at your usual time and get up no later than 1 hour before donating blood.

4. Refrain from smoking in the morning after getting up.

5. If there are difficulties with medication withdrawal, it is necessary to inform the doctor or laboratory.

6. Blood should be donated before X-ray, endoscopic, rectal examination, or physiotherapy procedures.

7. Immediately before taking blood, it is necessary to exclude physical exertion (running, climbing stairs), emotional arousal, and rest for 10-15 minutes.

What is contraindicated before blood tests?

Before taking blood tests, the following are contraindicated: salty and fatty foods, alcohol and drinks containing sugar and milk. Thermal procedures, emotional and physical stress. Blood tests are taken before starting medication or two weeks after stopping treatment.

• General urine analysis – morning urine.
• Nechiporenko urine analysis – average portion of urine.
• Biochemical analysis – daily urine.
• Bacteriological examination of urine – an average portion of morning urine.

• For analysis, the first portion of morning urine is collected in a urine collection container, after thorough toileting of the external genitalia. .
• It is recommended to deliver 50-70 ml of collected urine within 90-120 minutes from the moment of urination.
• Urine collection from newborns is performed using a pediatric urine collection device.
• Urine squeezed from a diaper is not subject to testing!
• It is not recommended for women to donate urine during menstruation.

• For urine analysis according to Nechiporenko, an average morning portion of urine (15-25 mg) is collected in a urine collection container.
• For collecting a medium portion of urine The patient releases the first portion of urine into the toilet when urinating, and collects the middle portion in a container.

• It is necessary to collect urine every 3 hours throughout the day, there should be 8 portions in total.
• At 6 a.m., the patient empties his bladder, this portion of urine is poured out, and urine collection begins every 3 hours.

• Each container is marked with the portion number and urine collection time.
• Store in the refrigerator at a temperature of +4^о - +8^о, preventing freezing.

• Used DAILY a portion of urine.
• Collect urine for 24 hours, following your usual drinking regimen
• In the morning after waking up, empty your bladder (this portion of urine is poured out).
• All subsequent urine for testing is collected within 24 hours in a clean container.
• During collection, the container with urine must be stored in a cool place (optimally in a cold place at a temperature of +4^о - +8^о C without allowing it to freeze).
• The last portion of urine should be collected at exactly the same time the next day.
• Measure the daily urine volume as accurately as possible, mix thoroughly and pour 100-150 ml into a pharmacy urine container.

Be sure to indicate the volume of urine collected per day.

• Before collecting feces for testing, it is necessary to cancel medications that affect the results of the test, for example, laxatives, bismuth, barium, iron preparations, enzyme preparations, rectal suppositories, castor and vaseline oil.
• Biomaterial is collected before the start or 14 days after the end of treatment with antibacterial and antifungal drugs.
• Feces are collected freshly excreted after an independent act of defecation and delivered to the laboratory on the same day.
• For a reliable result, it is necessary to take samples inside (the initial, middle and final part of the feces).
• The amount of feces in the container should not exceed half the volume of the container itself (fill the container 1/3 full).
• It is not recommended for women to take a coprogram during menstruation (3-4 days after it ends).
• In newborn babies, feces are collected from the diaper or nappy immediately after defecation.
• No foreign impurities are allowed, such as: urine, toilet paper, disinfectants, toilet water.
• Place the container with feces in a bag separate from the guide.

• No special preparation is required for the analysis.
• Feces are collected freshly excreted after an independent act of defecation.
• 3-4 days before stool collection, it is necessary to stop taking laxatives, rectal suppositories, castor and petroleum jelly.
• For the study, you need to take 5-10 g of feces from different areas (but not less than 5 g) into a clean container.
• Freshly collected feces are delivered to the laboratory on the same day.

• Before collecting feces for testing, it is necessary to cancel medications that affect the results of the test, for example, laxatives, bismuth, barium, iron preparations, enzyme preparations, rectal suppositories, castor and vaseline oil.
• Biomaterial is collected before the start or 14 days after the end of treatment with antibacterial and antifungal drugs.
• Before submitting a stool sample for dysbacteriosis, it is strictly forbidden to consume alcohol and foods that increase fermentation in the intestine (legumes, cabbage, plums, corn, etc.)
• The material is collected in a sterile container, in an amount not exceeding 1/3 of the container's volume.
• Only fresh morning stool is collected, which is delivered no later than three hours from the time of collection for analysis.
• Freezing of feces is not allowed.
• Close the sterile container with feces tightly with a lid, place it in a clean disposable bag and deliver it to the laboratory.
• In newborns, feces are collected from the diaper or nappy immediately after defecation.

• Scraping for enterobiasis is done in the morning after sleep, before the act of defecation.
• In children, scraping can be performed after a daytime nap.
• Do not perform hygiene of the external genitalia and around the anal area.

• Before collecting feces for testing, it is necessary to cancel medications that affect the results of the test, for example, laxatives, bismuth, barium, iron preparations, enzyme preparations, rectal suppositories, castor and vaseline oil.
• When preparing for an examination for occult bleeding, it is necessary to exclude meat, fish, all types of green vegetables, eggs and iron preparations from the diet for 3-4 days before the examination.
• After defecation, feces are collected from different areas in an amount of at least 50 g (approximately a teaspoon to a tablespoon) and placed in a special container for collecting feces.

• Before taking the test, it is important to abstain from sexual intercourse and masturbation for 2-5 days (no more). This will help increase the number of sperm in the sample.
• Also, during this period, it is forbidden to drink alcohol (including low-alcohol drinks and beer). If possible, do not smoke or significantly reduce the number of cigarettes per day. Do not smoke 2-3 hours before the test.
• It is not recommended to visit a sauna, bathhouse, swim in open water, or get overheated at this time.
• If possible, do not take any medication for 7-14 days before the test. Be sure to consult your doctor. If you are taking medication on a regular basis, be sure to notify your doctor.
• For 2-3 days, you need to reduce physical activity and reduce the impact of stress and other harmful factors.
• If diseases appear or worsen, be sure to consult your doctor about the advisability of taking the test during this period.
• Before taking the test, wash your genitals well with warm water and neutral soap. Avoid using antiseptics or scented soaps.

• Urine collection is carried out after thorough toileting of the external genitalia.
• Collect a mid-morning urine sample in a sterile pharmacy container.
• Urine (average portion) with a volume of 10-15 ml., deliver to the laboratory no later than 2-3 hours after collection.

• Before the examination, exclude the use of any eye drops and procedures. Cancel the use of antibiotics.
• The material is taken from the affected areas (conjunctiva, eyelids, lacrimal sacs, cornea) at the height of the inflammatory process, observing the rules of asepsis, with a special sterile swab.

• The sample is taken on an empty stomach, or 2 hours after consuming food and drinks.
• Do not use nasal and oral sprays, drops, ointments, and rinses 12-24 hours before the test.

• The sample is taken on an empty stomach, or no earlier than 2 hours after consuming food and drinks.
• Before handing over, it is necessary to rinse with boiled water or a solution of baking soda (1 teaspoon of soda per glass of water).
• The patient coughs up sputum freely (morning portion) on an empty stomach.
• Sputum is collected in a sterile container (plastic container)

• Before taking the material (2-3 days in advance), avoid using any antimicrobial, antifungal drugs, and antibiotics.

• Do not treat the skin area with disinfectants, cosmetics, or medical products 24 hours before the procedure.

• The sample is taken before antibiotic therapy or 7 days after the end of the course of antibiotic therapy.
• Before starting the material collection, it is necessary to massage the dense areas of the glands.
• Before collecting milk, thoroughly wash your hands with soap, preferably household soap, and then with 70% alcohol.
• The mammary glands are thoroughly treated with soap or any disinfectant, and then the milk is expressed into sterile containers (separate for each gland), labeled "right", "left".
• The first drops of milk must be squeezed out separately and poured out.
• Each container of milk is tightly closed with a lid.

• Urogenital material:
• Be examined before treatment or no earlier than 14 days after the end of antibacterial and antifungal therapy.
• Stop taking antibacterial, antifungal, and antiseptic topical medications 24 hours in advance.
• Abstain from sexual intercourse three days before the test.
• Refrain from urinating for 3-4 hours before collecting the urogenital tract sample.
• Ejaculate examination:
• Be examined before treatment or no earlier than 14 days after the end of antibacterial and antifungal therapy.
• Stop taking antibacterial, antifungal, and antiseptic topical medications 24 hours in advance.
• Abstain from sexual intercourse three days before the test.
• Refrain from urinating for 3-4 hours before collecting the urogenital tract sample.
• Prostate juice:
• Be examined before treatment or no earlier than 14 days after the end of antibacterial and antifungal therapy.
• Stop taking antibacterial, antifungal, and antiseptic topical medications 24 hours in advance.
• Abstain from sexual intercourse three days before the test.
• Refrain from urinating for 3-4 hours before collecting the urogenital tract sample.
• A urologist collects prostate juice into a sterile container.
• The material should be delivered to the laboratory no later than 2-3 hours after collection.

• Be examined before treatment or no earlier than 14 days after the end of antibacterial and antifungal therapy.
• Stop taking antibacterial, antifungal, and antiseptic topical medications 24 hours in advance.
• For three days, avoid douching and the use of intravaginal suppositories, ointments, and gels.
• No earlier than 24 hours after any local procedures (gynecological examination, vaginal ultrasound, colposcopy).
• Abstain from sexual contact for 24 hours.
• Refrain from urinating for 2-3 hours.

• Do not have sexual intercourse for 24-48 hours before taking the test.
• Do not use vaginal suppositories, douches, gels and creams…

• The first days after menstruation - for women before menopause.
• Any «dry day» is for women taking birth control pills.
• Any day – for menopausal women.
• For the study, the clinical material is a scraping from the entire surface of the ectocervix (transformation zone) and from the cervical canal, as well as, if necessary, from a visually affected area.

• Discontinue medications containing corticosteroids 24 hours prior to collection.
• You should not rinse your nose or use nasal drops for 4-5 hours.
• Before the test, mucus is removed from the nose.

• For 3 days before the test, avoid using any ointments, creams, lotions, medications, or cosmetics.
• When removing eyelashes and eyebrows, avoid using eye drops and cosmetics for a day.
• One day before the examination, the place of scraping cannot be wet.

• For 3 days before the test, avoid using any ointments, creams, lotions, medications, nail polish, and other cosmetics.
• The day before the study, the areas from which the sample will be taken not can be wet.

• For 3 days before the test, avoid using any ointments, creams, lotions, medications, or cosmetics on the affected areas.
• One day before the analysis, it is not recommended to wet the affected areas, thoroughly clean, or scrub the affected areas of the skin.

• Blood should be donated at rest, in the morning, due to the person's daily biorhythm.

• Blood should be taken in the morning at rest; palpation of the mammary glands should be avoided before the test.
• No more than 2-3 hours should pass after sleep.
• The day before the test, sexual contact and heavy exertion are excluded, as the level of prolactin in the blood changes.
• 1-2 days before the test, you should avoid drinking alcohol and smoking cigarettes.

• 6-12 hours before the study, increased psycho-emotional and stressful stress should be excluded.
• Blood on an empty stomach, only in the early hours.
• On the eve of the donation, exclude fatty, fried, and smoked foods.
• Limit physical activity and thermal procedures per day ()

• Minimize stress and emotional overvoltage.
• Do not smoke 1-2 hours before donating blood.

• The analysis is given on an empty stomach.
• Highly recommended donate blood from 7⁰⁰ until 12 noon.

• The time for saliva sampling for testing is determined by the doctor.
• An hour before the test, be in a calm emotional state.
• Limit the consumption of alcoholic beverages the day before delivery.
• Do not eat, smoke, brush your teeth, or drink any beverages for 30-60 minutes before collecting saliva.
• Avoid getting lipstick particles in.
• Microbleeding from the gums may cause elevated results due to mixing of blood with saliva; avoid samples contaminated with blood.

• The analysis is taken in the morning, on an empty stomach or during the working day, after a 6-hour break from eating.
• Avoid eating fatty foods and foods that contain animal proteins.
• You cannot drink coffee, tea, or juices for 2 hours.
• Quit smoking in 2-3 days.
• You should refrain from ejaculation for 48 hours.
• It is recommended to take the test no earlier than 3 days (optimally 6-7 days) after any urological manipulations, digital rectal examination, ergometry, cystoscopy and colonoscopy, prostate massage.
• It is recommended to refrain from physical exercises that may affect the prostate gland (cycling), heat exposure (saunas, baths, etc.) for 3 days before donating blood.

• Be examined before treatment or no earlier than 14 days after the end of antibacterial and antifungal therapy.
• Abstain from sexual intercourse three days before the test.

• for three days, exclude douching and the use of intravaginal suppositories, ointments, and gels.
• 3 days before delivery, do not perform an ultrasound examination of the pelvic organs using an intravaginal sensor.
• Do not donate biomaterial during menstruation (only 3 days after its end).

• Refrain from ejaculation for three days.
• Refrain from urinating for 3-4 hours before collecting the urogenital tract sample.