Best Blood Test for People on TRT or Another Hormone Protocol (2026)

The best blood test on TRT or another hormone protocol is a monitoring panel, not a testosterone-only test: a CBC for hematocrit, sensitive estradiol, lipids with ApoB, liver enzymes (ALT, AST and GGT), kidney markers (creatinine plus cystatin C), age-appropriate PSA, and total and free testosterone measured by LC/MS and equilibrium dialysis. At Anabolic Insights, the Complete Men's Panel ($239 at Quest) covers most of that list in one draw, the Monitoring Panel ($140 at Quest) covers the lipid, liver, kidney and estradiol side, and you can build the full list à la carte at Quest for $172 with no lab or draw fee.

Anabolic Insights publishes this page and sells the panels it describes. Prices were checked on October 11, 2026.

The short answer

If you're on TRT or another hormone protocol, these are the markers worth repeating:

• CBC (hematocrit and hemoglobin). Testosterone raises red blood cell production. This is the marker most likely to need action.
• Sensitive estradiol (LC/MS). Testosterone converts to estradiol, and standard assays are least reliable at the low levels men run.
• Lipids plus ApoB. Androgens tend to lower HDL. ApoB counts the particles that drive plaque.
• Liver: ALT, AST and GGT. GGT helps separate a liver signal from a hard training session.
• Kidney: creatinine plus cystatin C. Creatinine reads high in muscular people. Cystatin C doesn't depend on muscle mass.
• PSA, if you're in an age or risk group where your provider monitors it.
• Total and free testosterone, by uncapped LC/MS and equilibrium dialysis, so a high result shows up as a real number.

Whatever you're taking, tell the provider who reviews your labs. Results only make sense when the person reading them knows the full picture.

Monitoring options compared

Turnaround for Anabolic Insights is our catalog estimate. The slowest pieces are sensitive estradiol and cystatin C, so any option that includes them takes about 12 days at Quest. That's slower than some services. A licensed provider orders every panel; a results consult isn't included with lab orders. If you're in our TRT membership, follow-up labs are included and your provider reviews them.

Why each marker matters

Hematocrit (CBC)

Testosterone stimulates red blood cell production. In a controlled trial in young and older men, hemoglobin and hematocrit rose in a dose-dependent way, and the rise was larger in older men (Coviello et al., J Clin Endocrinol Metab 2008). The Endocrine Society's guideline says to check hematocrit at baseline, 3 to 6 months after starting, and then annually. If hematocrit is above 54%, it advises stopping therapy until it comes down and checking for causes such as sleep apnea (Bhasin et al., J Clin Endocrinol Metab 2018). Any change is your provider's call. For more, read hematocrit on TRT and what a hematocrit of 53 means.

A CBC costs $7 at Quest. It's the cheapest test on this list and the one you least want to skip.

Sensitive estradiol

Men's estradiol levels are low, and the Endocrine Society has said low estradiol concentrations are hard to measure accurately, with real differences between methods (Rosner et al., J Clin Endocrinol Metab 2013). That's why a sensitive LC/MS estradiol test ($24 at Quest) is the better choice for men. See sensitive estradiol for men and what high estradiol on TRT means.

Lipids and ApoB

In a meta-analysis of men treated with injectable testosterone, HDL fell by about 4 mg/dL on average (Whitsel et al., Am J Med 2001). In a trial that raised testosterone across a wide range, up to levels well above normal, HDL fell as testosterone levels rose (Bhasin et al., Am J Physiol Endocrinol Metab 2001). That matters most for higher-dose protocols.

A standard lipid panel shows cholesterol amounts. ApoB counts the particles that carry cholesterol into artery walls, and a review in JAMA Cardiology concluded it measures that risk more accurately than LDL cholesterol or non-HDL cholesterol (Sniderman et al., JAMA Cardiol 2019). ApoB is $19 at Quest. Read whether TRT raises ApoB.

Liver: ALT, AST and GGT

ALT and AST come in the CMP, but they aren't liver-only. After one hour of weightlifting, healthy men had ALT, AST and creatine kinase rise and stay elevated for at least 7 days, while GGT stayed normal (Pettersson et al., Br J Clin Pharmacol 2008). So if ALT and AST are up and GGT is normal, training is a likely suspect. Adding GGT ($12 at Quest) helps sort that out. If you can, avoid heavy lifting for a few days before your draw, or tell your provider you trained.

Kidney: creatinine and cystatin C

Creatinine comes from muscle. In a study of 170 healthy adults, serum creatinine tracked with lean mass, but cystatin C didn't (Baxmann et al., Clin J Am Soc Nephrol 2008). An equation that combines creatinine and cystatin C estimated kidney function more accurately than either marker alone (Inker et al., N Engl J Med 2012). If you carry a lot of muscle, a "low" creatinine-based eGFR may not mean what it seems. Cystatin C with eGFR is $36 at Quest. More in cystatin C vs creatinine.

PSA

The Endocrine Society suggests PSA monitoring for men 55 to 69, and for men 40 to 69 at increased risk, who choose to be monitored: before starting and 3 to 12 months after. It recommends a urology consult for a confirmed rise of more than 1.4 ng/mL in the first 12 months or a confirmed PSA above 4.0 ng/mL (Bhasin et al., 2018). PSA is $25 at Quest. See what to do if your PSA rose on TRT.

Total and free testosterone

The guideline recommends checking testosterone 3 to 6 months after starting therapy, with a target in the mid-normal range (Bhasin et al., 2018). On therapy, some immunoassays stop at 1,500 ng/dL, so a high result reads ">1500" instead of a number. At Quest, our Testosterone, Free and Total test ($18) measures total by LC/MS and free by equilibrium dialysis. For why the method matters, read immunoassay vs LC/MS. Draw at a consistent point in your schedule; see peak vs trough timing.

Which option fits you

• You want one panel that covers almost everything: the Complete Men's Panel ($239 at Quest), plus ApoB ($19) if you want particle count. It also gives you LH, FSH, thyroid and IGF-1 for a full baseline.
• You already have a recent baseline and want the organ and lipid check: the Monitoring Panel ($140) plus Testosterone, Free and Total ($18), CBC ($7), CMP ($7) and PSA ($25). That comes to $197 and covers every marker on the list above.
• You want the lowest total cost for the full monitoring list: build it à la carte at Quest. Free and total T $18, SHBG $14, sensitive estradiol $24, CBC $7, CMP $7, PSA $25, lipids $10, ApoB $19, GGT $12 and cystatin C $36 add up to $172. Leave out cystatin C and GGT and it's $124. You can save the list as a custom panel and reorder it.
• You want everything in one draw, including Lp(a) and iron: the Advanced Men's Panel+ ($350 at Quest). Choose the LabCorp version ($450) if you want ApoB included.

The Basic Panel ($95) is a good low-cost baseline before therapy. On TRT, its testosterone result can cap at 1,500 ng/dL and it uses a standard estradiol test, so it's a weaker monitoring choice. For the full comparison, see Complete Men's Panel vs Basic Panel and our earlier guide to Monitoring Panel blood work.

Where another option is the better choice

• You want one SKU that includes thyroid and free PSA. Marek Diagnostics' Testosterone Monitoring Panel bundles thyroid, DHEA-S, total and free PSA, ApoB, GGT and hs-CRP with the core markers in one $300 order. To match it with us, you'd combine a panel with add-ons.
• You want someone to walk you through results. Marek offers an optional 45-minute coach review for $100. We don't include a results consult with lab orders.
• You need results fast. Our 7 to 14 day window is slower than some services, mostly because sensitive estradiol and cystatin C take longer.
• You want an at-home kit. We don't offer finger-prick kits. Read whether finger-prick kits can replace a lab draw.
• You want insurance to pay. We're cash-pay only. Your own doctor may be able to order these tests through insurance.

Where Anabolic Insights is the better choice

• Lower cost for the same markers. The full monitoring list costs $172 à la carte at Quest, with no lab fee, draw fee or membership.
• Cystatin C. It's in our Monitoring Panel and Advanced Men's Panel+, and it's the better kidney marker for muscular people.
• Tracking over time. Every result is charted. You can mark when a medication or training block started, add notes, and upload outside LabCorp and most Quest PDFs into the same charts.

FAQs

What blood tests should I get on TRT?

At minimum: a CBC for hematocrit, total and free testosterone, sensitive estradiol, a CMP for liver and kidney markers, lipids, and PSA if you're in an age or risk group your provider monitors. ApoB, GGT and cystatin C add useful detail, especially if you train hard.

How often should I get blood work on TRT?

The Endocrine Society recommends checking testosterone and hematocrit 3 to 6 months after starting, then hematocrit annually, with PSA checked 3 to 12 months after starting for men who choose prostate monitoring. Your provider may test more often after a change in your protocol.

Why is my ALT or AST high after lifting?

Hard lifting can raise ALT and AST for at least a week because muscle releases them too. GGT usually stays normal after training, so it helps your provider tell muscle from liver. Tell your provider if you trained hard in the days before your draw.

Is creatinine accurate if I'm muscular?

Not always. Creatinine rises with muscle mass, so a creatinine-based eGFR can look low in a muscular person with healthy kidneys. Cystatin C isn't tied to muscle mass, and combining the two gives a more accurate estimate.

Does the Monitoring Panel include testosterone?

No. It covers GGT, lipids, ApoB, insulin, A1c, sensitive estradiol, cystatin C and hs-CRP. Add Testosterone, Free and Total ($18), a CBC ($7), a CMP ($7) and PSA ($25) at Quest for full coverage.

What should I tell the provider who reviews my labs?

Everything you're taking: prescribed medications, any other hormone protocol, supplements, and when your last dose was relative to the draw. Also mention recent hard training, illness or dehydration, which can shift several results.

How we compared

We checked prices and test lists on October 11, 2026.

• Anabolic Insights: prices, biomarker counts, test methods and turnaround estimates come from our live lab catalog. Turnaround figures are our estimates, not guarantees.
• Marek Diagnostics: price, test list, lab and turnaround come from the public Testosterone Monitoring Panel page. Marek's site says the lab draw fee is free on orders over $199.
• Test methods: confirmed in the Quest and LabCorp test directories.
• Prices are before tax and promo codes. Both companies change prices, so confirm at checkout.

Anabolic Insights publishes this page and has a financial interest in it. Results are educational and don't replace an evaluation by a licensed provider.

References

1. Bhasin S, Brito JP, Cunningham GR, et al. Testosterone therapy in men with hypogonadism: an Endocrine Society clinical practice guideline. J Clin Endocrinol Metab. 2018;103(5):1715–1744.
2. Coviello AD, Kaplan B, Lakshman KM, et al. Effects of graded doses of testosterone on erythropoiesis in healthy young and older men. J Clin Endocrinol Metab. 2008;93(3):914–919.
3. Rosner W, Hankinson SE, Sluss PM, Vesper HW, Wierman ME. Challenges to the measurement of estradiol: an Endocrine Society position statement. J Clin Endocrinol Metab. 2013;98(4):1376–1387.
4. Whitsel EA, Boyko EJ, Matsumoto AM, et al. Intramuscular testosterone esters and plasma lipids in hypogonadal men: a meta-analysis. Am J Med. 2001;111(4):261–269.
5. Bhasin S, Woodhouse L, Casaburi R, et al. Testosterone dose-response relationships in healthy young men. Am J Physiol Endocrinol Metab. 2001;281(6):E1172–E1181.
6. Sniderman AD, Thanassoulis G, Glavinovic T, et al. Apolipoprotein B particles and cardiovascular disease: a narrative review. JAMA Cardiol. 2019;4(12):1287–1295.
7. Pettersson J, Hindorf U, Persson P, et al. Muscular exercise can cause highly pathological liver function tests in healthy men. Br J Clin Pharmacol. 2008;65(2):253–259.
8. Baxmann AC, Ahmed MS, Marques NC, et al. Influence of muscle mass and physical activity on serum and urinary creatinine and serum cystatin C. Clin J Am Soc Nephrol. 2008;3(2):348–354.
9. Inker LA, Schmid CH, Tighiouart H, et al. Estimating glomerular filtration rate from serum creatinine and cystatin C. N Engl J Med. 2012;367(1):20–29.