What is the best way to collect a urine sample?

Use the sterile container the lab gives you. Wash hands first. Clean the genital area gently with water (avoid soap or antiseptics inside the urethra). Pass the first few drops into the toilet, then collect the middle portion of the stream into the container — this is called a 'midstream clean catch'. Cap the container and submit promptly. First-thing-in-the-morning urine is preferred for most routine tests because it is more concentrated.

I see pus cells on my report but I have no symptoms — do I need antibiotics?

Not always. A small number of pus cells (within or slightly above the lab's reference range) without symptoms can have several causes — sample contamination, mild irritation, or transient inflammation. A few pus cells in an asymptomatic person are usually not treated; the doctor decides based on numbers, other findings (nitrites, leukocyte esterase, bacteria), symptoms, and any underlying conditions like diabetes, pregnancy, or recurrent infections.

What does 'trace protein' mean? Is it dangerous?

Trace protein is a small amount of protein in urine, near the lower detection limit. It can be transient — from dehydration, intense exercise, fever, urinary tract infection, or pregnancy — and may resolve on its own. Persistent protein, particularly in people with diabetes or hypertension, can be an early sign of kidney involvement and usually triggers more sensitive tests (microalbuminuria or urine protein-to-creatinine ratio). A single trace finding is usually rechecked rather than treated as a diagnosis.

Why does my urine look red but my report says no blood?

Several things can colour urine red or orange without being blood — beetroot, food colouring, certain medications (rifampicin used in TB treatment is a common one in India, also some laxatives and B vitamins). The lab test for blood is more specific than the visible colour. If colour is unexplained and blood is present on the test, the doctor will investigate the source.

I am menstruating — can I still give a urine sample?

It is best to delay routine urine R/M testing until after menstruation finishes, because menstrual blood can contaminate the sample and produce false positives for blood and protein. If the test is urgent (suspected UTI with high fever), use a tampon or clean catch carefully, mention the situation on the lab form, and the doctor will interpret accordingly.

Urine Routine (R/M): What the Report Shows

Also seen on reports as: Urine R/M, Urinalysis, Urine RM, Urine R&M, U/A, Routine Urine Examination

What is Urine Routine?

Urine Routine and Microscopy (often called 'Urine R/M' on Indian lab reports) is the most commonly ordered urine test in India. It is two tests in one — a dipstick / chemical analysis that checks for several substances at once, and a microscopic look at urine sediment that counts cells and looks for crystals or casts.

It is a screening test rather than a diagnostic one — it tells the doctor whether something looks abnormal, but usually not the exact cause. Abnormal findings on urine R/M often prompt further specific tests (urine culture, microalbuminuria, 24-hour urine protein, ultrasound, etc.).

The test requires a 'clean-catch midstream' sample, usually first thing in the morning, collected in the small sterile bottle provided by the lab. Most NABL-accredited Indian labs report a full set of parameters listed below.

Why doctors order it

Urine R/M is part of almost every routine health check, antenatal panel, pre-operative work-up, and admission package in India. It is the first-line test when symptoms suggest a urinary tract infection (burning, frequency, urgency, lower abdominal pain, low-back pain, fever).

It is also a standard part of the screening work-up for kidney disease — particularly in people with diabetes (looking for protein, which is the earliest sign of diabetic kidney involvement), in long-standing hypertension, and during pregnancy (looking for protein, which can be the earliest sign of pre-eclampsia).

Doctors also use urine R/M to evaluate unexplained tiredness, suspected kidney stones (blood in urine), suspected dengue (which can cause blood and protein in urine), and to monitor people known to have chronic kidney involvement.

What the result means

Different parts of the urine R/M report tell different stories. Physical findings (colour, clarity, specific gravity) reflect how dilute or concentrated the urine is. Chemical findings (protein, glucose, ketones, blood, bilirubin, urobilinogen, nitrites, leukocyte esterase) reflect what is leaking into the urine. Microscopic findings (pus cells, RBCs, epithelial cells, casts, crystals, bacteria) reflect what is physically present.

Common patterns: pus cells + nitrites + leukocyte esterase suggests a urinary tract infection — usually confirmed with a urine culture. Protein in someone with diabetes or hypertension suggests early kidney involvement and triggers more sensitive tests (microalbuminuria, urine protein-to-creatinine ratio). Glucose in urine in a person with raised blood sugar reflects high blood glucose; in someone with normal blood sugar it points to specific kidney handling. Blood in urine has many possible causes — from infection to stones to glomerular disease — and usually triggers further evaluation.

Urine R/M is a screen, not a final answer. Many findings are mild and incidental — small numbers of epithelial cells (skin cells), a few crystals on a concentrated sample, or trace blood during menstruation in women — and do not need further work-up on their own.

Reference range

A urine R/M reports many parameters; common reference findings shown below.

Colour / Clarity: Pale yellow to amber; clear
Specific gravity: Roughly 1.005 – 1.030 (reflects how concentrated the urine is)
pH: Roughly 4.5 – 8.0 (typically around 5.5 – 6.5)
Protein: Negative / Trace
Glucose / Sugar: Negative
Ketones: Negative
Blood: Negative
Nitrites / Leukocyte esterase: Negative — both positive suggest UTI
Pus cells (WBCs): 0–5 per high-power field — higher suggests infection
RBCs: 0–2 per high-power field
Casts / Crystals / Bacteria: Few to none; significant findings need clinical correlation

Reference values differ slightly between Indian labs. Many findings have alternative causes — for example, trace blood in a menstruating woman is expected; a few crystals on a concentrated morning sample are usually not significant. Always interpret the report in clinical context.

Common factors that affect the result

Sample collection technique matters. A clean-catch midstream sample, with appropriate genital hygiene before collection, gives the most reliable result. A poorly collected sample (including the first few drops or a not-clean catch) can show contamination — epithelial cells, bacteria, pus cells — that does not reflect a true infection. Lab reports often note 'contamination suspected' when the picture suggests this.

Hydration affects everything that gets measured. A very concentrated morning sample (after a long overnight without fluids, particularly in Indian summers) can show false positives or higher numerical values; a very dilute sample (after a lot of water intake or diuretics) can mask findings. Most guidelines suggest a first morning sample, with normal evening hydration the night before.

Recent activity, recent meals, certain medications, and certain supplements can shift findings. Intense exercise can cause transient blood and protein in urine; high-dose vitamin C can interfere with some dipstick chemistries; certain antibiotics make nitrites less reliable; rifampicin (anti-TB medication) and beetroot turn urine red-orange and can be misread as blood; methylene-blue-containing medications turn it greenish-blue.

When to talk to your doctor

Burning, frequency, urgency, lower abdominal pain, or fever — alongside any UTI findings on urine R/M (pus cells, nitrites, leukocyte esterase) — usually warrants a urine culture and antibiotics.
Protein in urine — particularly if you have diabetes, hypertension, or are pregnant — usually triggers more sensitive testing (microalbuminuria, urine protein-to-creatinine ratio, 24-hour urine protein) and follow-up.
Visible blood in urine, or blood found on urine R/M in someone who is not menstruating, is rarely 'nothing' and usually warrants imaging and follow-up urine tests.
Glucose in urine when fasting blood sugar or HbA1c is also raised confirms the picture of poorly controlled sugars; isolated glucose with normal blood sugars points toward specific kidney conditions.
Casts (cylindrical structures) seen on microscopy can point to specific kidney conditions and usually warrant nephrology input.

Related tests

Kidney Function

Creatinine

Urine Routine