About Walk-In Lab
Walk-In Lab sells one-time blood tests through Quest or Labcorp, plus specialty home kits. Choose the laboratory before buying: similarly named panels can return different results. Reports are available in your account to share with your clinician.
Choose the test and laboratoryVisit the lab or return the kitReceive the selected laboratory report
Offerings
Walk-In Lab Anti-Aging #4 Comprehensive Blood and Urine Test Panel
$955
one-time
102 markers
100 at Labcorp
A one-time direct-access Quest or Labcorp blood-and-urine panel with men's and women's versions, combining routine chemistry, blood count, lipids, thyroid, sex and growth hormones, nutrients, inflammation, an advanced lipid test and urinalysis.
What’s included in Walk-In Lab Anti-Aging #4 Comprehensive Blood and Urine Test Panel
Apolipoprotein B (ApoB)Conditional
A protein carried by certain cholesterol-carrying particles; its amount reflects their total number.
Conditional. Quest version only.
Total Cholesterol
The combined amount of cholesterol carried by the major blood lipoprotein groups.
Medium LDL Particle NumberConditional
Number of medium-sized LDL particles measured by ion mobility, rather than their cholesterol content.
Conditional. Quest version only.
LDL Particle Number (LDL-P)
Number of LDL-sized particles in blood, rather than the amount of cholesterol they carry.
Small LDL Particle Number
The concentration of smaller LDL particles, rather than their cholesterol content or average size.
LDL Cholesterol (LDL-C)
The amount of cholesterol carried inside LDL particles, rather than the number of particles.
Calculated
Non-HDL Cholesterol (Non-HDL-C)CalcConditional
Calculated by subtracting HDL cholesterol from total cholesterol, capturing cholesterol in the remaining particles.
Conditional. Quest version only.
Total Cholesterol to HDL RatioCalc
Calculated ratio of total cholesterol to HDL cholesterol, using measurements in the same units.
HDL Cholesterol (HDL-C)
The amount of cholesterol carried inside HDL particles in the blood.
Large HDL Particle NumberConditional
The concentration of HDL particles classified as large by the laboratory's specific method.
Conditional. Quest version only.
LDL PatternConditional
A classification showing whether larger or smaller LDL particles predominate.
Conditional. Quest version only.
LDL Particle SizeConditional
A characteristic diameter of LDL particles, with different tests reporting a mean or peak size.
Peak diameter
Conditional. Quest version only.
Lipoprotein(a) [Lp(a)]Conditional
The amount of Lp(a), a cholesterol-carrying particle whose concentration is largely inherited.
Conditional. Quest version only.
Triglycerides
Fats circulating in the blood that store energy from food the body does not immediately use.
Total HDL Particle Number (HDL-P)Conditional
The number of HDL particles in blood, rather than the cholesterol they carry.
Conditional. Labcorp version only.
LDL Particle Size
A characteristic diameter of LDL particles, with different tests reporting a mean or peak size.
Glucose
The amount of glucose, the body's main circulating sugar and an energy source, in blood.
Sodium
A major electrolyte that helps regulate fluid balance and supports nerve and muscle function.
Potassium
An electrolyte needed for normal nerve signals, muscle contraction and heart function.
Chloride
Amount of chloride, one of the blood's major electrolytes, measured in serum or plasma.
Total Carbon Dioxide (CO2)
A blood chemistry result used to estimate bicarbonate when assessing the body's acid-base balance.
Hemoglobin A1c (HbA1c)
Percentage of hemoglobin with sugar attached, reflecting average blood sugar over roughly two to three months.
Uric Acid
A waste product from purine breakdown, assessed in gout and kidney-related testing.
Urine Glucose
Glucose detected in urine, rather than a measurement of blood sugar.
Urine Ketones
Ketones detected in urine, usually with a strip that mainly detects acetoacetate.
Lipoprotein Insulin Resistance Score (LP-IR)CalcConditional
A calculated laboratory score summarizing lipoprotein particle patterns associated with insulin resistance.
Conditional. Labcorp version only.
Insulin-Like Growth Factor 1 (IGF-1)
A circulating growth factor used as an indicator of growth-hormone activity.
Cortisol
An adrenal hormone involved in stress response, metabolism, blood pressure and inflammation.
Dehydroepiandrosterone Sulfate (DHEA-S)
An adrenal hormone the body uses to make testosterone and estrogen.
Follicle-Stimulating Hormone (FSH)
A pituitary hormone that supports development of eggs in the ovaries and production of sperm.
Growth Hormone (GH)
Amount of growth hormone from the pituitary gland circulating in blood.
Luteinizing Hormone (LH)
A pituitary hormone involved in ovulation and sex-hormone production in the ovaries and testes.
Progesterone
A hormone produced after ovulation and during pregnancy, measured at a particular point in time.
Estradiol (E2)
The main estrogen during the reproductive years, produced primarily by the ovaries.
Sex Hormone-Binding Globulin (SHBG)
A protein made mainly by the liver that carries testosterone, estradiol and other sex hormones in blood.
Total Testosterone
All testosterone circulating in blood, including protein-bound and unbound forms.
Free TestosteroneConditional
The portion of testosterone circulating without being attached to blood proteins.
Equilibrium dialysis
Conditional. Quest version only.
Total EstrogensWomen only
A combined estrogen result, mainly estrone and estradiol, reported as one measurement.
Free Testosterone
The portion of testosterone circulating without being attached to blood proteins.
Estradiol (E2)Conditional
The main estrogen during the reproductive years, produced primarily by the ovaries.
Estradiol — immunoassay
Conditional. Labcorp version only.
T3 Uptake
An indirect estimate of available thyroid-hormone binding sites, rather than a measurement of T3 hormone.
Total T4 (Total Thyroxine)
The total amount of T4 thyroid hormone in blood, including both protein-bound and free portions.
Free Thyroxine Index (FTI)Calc
An indirect estimate of free T4 calculated from total T4 and a hormone-binding measurement.
Thyroid-Stimulating Hormone (TSH)
A pituitary hormone that signals the thyroid gland to produce thyroid hormones.
Free T4 (Free Thyroxine)
The unbound portion of T4 thyroid hormone available to tissues, commonly considered alongside TSH.
Free T3 (Free Triiodothyronine)
The portion of thyroid hormone T3 circulating unbound to blood proteins.
Homocysteine
An amino-acid intermediate affected by B vitamins, genetics, kidney function and other factors.
Total Calcium
All calcium circulating in blood, including calcium attached to proteins and free calcium.
Phosphorus (Phosphate)
Amount of inorganic phosphate circulating in blood, rather than dietary intake or total body phosphorus.
Vitamin A (Retinol)
Amount of retinol, the specified form of vitamin A, measured in blood.
Iron
Iron circulating in blood at collection, mostly attached to the transport protein transferrin.
Total Iron-Binding Capacity (TIBC)
Estimated capacity of the blood's transferrin protein to bind and carry iron.
Transferrin Saturation (TSAT)Calc
Percentage of iron-binding sites occupied, usually calculated from blood iron and total iron-binding capacity.
Vitamin B12
A vitamin needed for red blood cell formation, nervous-system function and DNA production.
Folate (Vitamin B9)
Vitamin B9, needed for making DNA, cell division and red blood cell production.
Serum
Vitamin D (25-hydroxy)
The main circulating form of vitamin D, reflecting vitamin D from sunlight, food and supplements.
Concentration
Unsaturated Iron-Binding Capacity (UIBC)Conditional
The unused iron-binding capacity of transferrin, the protein that carries iron in blood.
Conditional. Labcorp version only.
C-Reactive Protein (CRP)
A liver-made protein that rises in response to inflammation, measured with conventional or high-sensitivity assays.
High-sensitivity C-reactive protein (hs-CRP)
Total Bilirubin
The combined direct and indirect forms of bilirubin, a waste product from red-cell breakdown.
Alkaline Phosphatase (ALP)
An enzyme found especially in the liver, bile ducts and bones.
Aspartate Aminotransferase (AST)
An enzyme in the liver, muscles and other tissues that can enter blood when cells are damaged.
Alanine Aminotransferase (ALT)
A liver-cell enzyme that can enter the blood when those cells are damaged.
Gamma-Glutamyl Transferase (GGT)
An enzyme assessed alongside other findings when investigating liver or bile-duct injury.
Urine Bilirubin
Checks for a water-soluble form of bilirubin in urine, distinct from bilirubin measured in blood.
Urine UrobilinogenConditional
A urine-strip estimate of a bilirubin breakdown product formed in the intestines.
Conditional. Labcorp version only.
Blood Urea Nitrogen (BUN)
Nitrogen from urea in blood, a waste product formed when the body breaks down protein.
Creatinine
A waste product from normal muscle activity that the kidneys mainly remove from blood.
Estimated Glomerular Filtration Rate (eGFR)CalcConditional
An estimate of kidney filtration calculated from blood markers such as creatinine or cystatin C.
Creatinine-based
Conditional. Quest version only.
BUN/Creatinine RatioCalc
A calculated comparison of blood urea nitrogen with creatinine from the same collection.
Urine Total Protein
Protein detected or measured in urine; a dipstick mainly detects albumin.
Estimated Glomerular Filtration Rate (eGFR)Calc
An estimate of kidney filtration calculated from blood markers such as creatinine or cystatin C.
White Blood Cell Count (WBC)
The total number of white blood cells in a given volume of blood.
Red Blood Cell Count (RBC)
The number of mature red blood cells in a given volume of blood.
Hemoglobin (Hgb)
The iron-containing protein in red blood cells that carries oxygen around the body.
Hematocrit (Hct)
The share of your blood volume occupied by red blood cells.
Mean Corpuscular Volume (MCV)
The average size of your red blood cells, reported as their volume.
Mean Corpuscular Hemoglobin (MCH)Calc
Calculated average amount of hemoglobin, the oxygen-carrying protein, in each red blood cell.
Mean Corpuscular Hemoglobin Concentration (MCHC)Calc
The calculated average concentration of hemoglobin within packed red blood cells.
Red Cell Distribution Width (RDW)
How much red blood cells vary in size, rather than their average size.
Platelet Count
The number of platelets in a given volume of circulating blood.
Mean Platelet Volume (MPV)Conditional
The average size of circulating platelets, distinct from how many platelets are present.
Conditional. Quest version only.
Neutrophils
White blood cells that play a central role in the body's early immune responses.
Absolute count
Lymphocytes
A group of white blood cells involved in the body's immune responses.
Absolute count
Monocytes
White blood cells that help remove damaged cells and microbes and can develop into tissue immune cells.
Absolute count
Eosinophils
A type of white blood cell, reported as a count or percentage of white cells.
Absolute count
Basophils
White blood cells involved in allergic reactions and inflammatory signaling.
Absolute count
Neutrophils
White blood cells that play a central role in the body's early immune responses.
Percentage
Lymphocytes
A group of white blood cells involved in the body's immune responses.
Percentage
Monocytes
White blood cells that help remove damaged cells and microbes and can develop into tissue immune cells.
Percentage
Eosinophils
A type of white blood cell, reported as a count or percentage of white cells.
Percentage
Basophils
White blood cells involved in allergic reactions and inflammatory signaling.
Percentage
Immature GranulocytesConditional
Immature granulocytes, a group of white blood cells, reported by an analyzer as a count or percentage.
Percentage
Conditional. Labcorp version only.
Immature GranulocytesConditional
Immature granulocytes, a group of white blood cells, reported by an analyzer as a count or percentage.
Absolute count
Conditional. Labcorp version only.
Total Protein
The combined concentration of albumin and globulins, the main groups of blood proteins.
Albumin
A liver-made blood protein that helps retain fluid and transport other substances.
GlobulinCalc
Calculated amount of non-albumin blood proteins, found by subtracting albumin from total protein.
Albumin/Globulin Ratio (A/G)Calc
A calculated comparison of albumin with globulins, two groups of proteins in the blood.
Urine Color
The observed color of urine, assessed visually or with a laboratory instrument.
Urine Appearance
A visual description of how clear or cloudy the urine sample looks.
Urine Specific Gravity
Urine density compared with water, providing a time-specific estimate of how concentrated the urine is.
Urine pH
How acidic or alkaline a urine sample is at the time of testing.
Urine Blood or Hemoglobin
A urine-strip test for heme, which can come from red cells, hemoglobin or muscle pigment.
Urine Nitrite
A urine-strip result detecting nitrite formed by some bacteria, rather than directly counting bacteria.
Urine Leukocyte Esterase
A urine-strip reaction that indirectly checks for white blood cells, rather than counting them directly.
Urine White Blood Cells (WBC)
White blood cells counted directly in urine, distinct from the indirect leukocyte-esterase strip test.
Urine Red Blood Cells (RBC)
Red blood cells counted in urine, distinct from a dipstick test for blood pigments.
Urine Bacteria
Bacteria seen or counted in urine under microscopy, distinct from a urine culture result.
Urine Hyaline CastsConditional
Hyaline protein casts seen in urine sediment, reported according to the laboratory’s counting method.
Conditional. Quest version only.
Urine Epithelial CellsConditional
Epithelial cells observed in urine sediment; different cell subtypes have different origins.
Conditional. Labcorp version only.
Urine CastsConditional
Cast structures observed in urine sediment, without establishing a particular cast subtype.
Conditional. Labcorp version only.
Lactate Dehydrogenase (LDH)
The activity of an enzyme found in many tissues, rather than a tissue-specific injury measurement.
Z SCORE (MALE)Conditional
Conditional. Quest version only.
Urine Squamous Epithelial CellsConditional
Cells in urine usually shed from the lower urethra or external genital surfaces.
Conditional. Quest version only.
Before you buy
- Fasting
- Fast 12 hours (the FAQ says 12–14), avoid alcohol for 24 hours and stop biotin 72 hours before collection.
- PSA (men)
- Avoid ejaculation and strenuous exercise for 72 hours, and wait six weeks after a prostate biopsy.
Results
- Results
- Laboratory values, reference ranges and abnormal flags in the Walk-In Lab account.
- Timing
- Generally 3–5 business days; may take longer.
Locations
Use the Quest version of your order at a supported Quest location. Advanced lipid contents can differ from the Labcorp version.
Reviews
What people praise
Discounts on familiar lab tests
Customers value buying tests from established laboratories at lower self-pay prices, especially when they want to choose their own bloodwork and keep repeat testing affordable.
Easy ordering and lab arrangements
Reviewers describe a straightforward website, accessible requisitions and simple appointment booking, making the transition from online purchase to the actual blood draw feel smooth.
Quick results after a convenient visit
Customers appreciate arranging a nearby lab visit soon after ordering and receiving results promptly, making the service useful for both routine monitoring and time-sensitive paperwork.
What people complain about
Prices do not always feel competitive
Some long-time customers feel the service has become more expensive or find the same test cheaper elsewhere, reducing the value they previously associated with ordering this way.
Disputes can be hard to resolve
Some reviewers describe frustrating exchanges about refunds, promotional promises or incomplete tests, finding support less helpful when the usual smooth ordering process encounters a problem.
Stories
Agustín Contreras
Bundling the tests he needed for less
Agustín needed several lab tests and found that Walk-In Lab’s bundled options cost substantially less than ordering through lab websites directly. He describes being able to order the tests together through a clear process that worked smoothly from start to finish.
trustpilot.comPeter D.
A free retest after a collection problem
When a problem handling his blood sample caused some readings to be inaccurate, Peter says Walk-In Lab called him and offered a free retest without being asked. The response reassured a customer who had already used the service for many years.
ie.trustpilot.comThings to know
- Cancel before submitting specimens.
Refund or credit depends on how long ago you ordered; physician-order fees remain nonrefundable.
- A physician-order fee applies once per order.
Walk-In Lab does not bill insurance directly; you may request a receipt for a reimbursement submission.
- You can keep and share the laboratory report.
Account results can be saved for your own records or taken to your clinician.
- The laboratory changes the advanced lipid results.
Quest uses Cardio IQ; Labcorp uses NMR LipoProfile. Men’s and women’s versions also differ. Use the supported route for your state.
Alternatives
Superpower · Membership
An annual blood-testing membership with messaging rather than a one-time blood-and-urine panel.
$199/year
Mito Health · Core Panel
Another one-time broad blood-and-urine purchase, with clinician-reviewed digital results and optional membership.
$291.75
Everlywell · Everlywell 360
An annual Quest blood-and-urine panel with a written Care Plan rather than a one-time laboratory purchase.
$399/year
SiPhox Health · Longevity Essentials
Uses upper-arm home collection rather than the lab-specific venous blood-and-urine routes.
$149FAQs
Are Quest and Labcorp interchangeable here?
No. Their advanced-lipid contents differ, and the selected laboratory controls the report. Quest lists Cardio IQ with ApoB and Lp(a); Labcorp lists NMR LipoProfile with LDL-P and LP-IR, without ApoB or Lp(a).
Do I receive all the markers in the combined count?
No. Displayed counts combine sex-specific versions. Laboratory contents also differ, and the product-page list mixes lab-specific names. Review the lab and sex qualifications beside the coverage.
Is a clinician results discussion included?
No clinician interpretation or consultation is established as included. The physician fee authorizes the order, and the FAQ recommends discussing results with your own provider.