Prompt details

Tested on

Claude Opus 5.5

Length

579 words · 3 fill-ins

Example input

[Your lab report]: LAKESIDE CLINICAL LABORATORIES - FINAL REPORT Patient: M, age 50. Specimen collected after a 12-hour fast. LIPID PANEL Cholesterol, total ........ 238 mg/dL Ref: <200 H LDL cholesterol (calc) .... 162 mg/dL Ref: <100 H HDL cholesterol ........... 41 mg/dL Ref: >39 Triglycerides ............. 176 mg/dL Ref: <150 H Non-HDL cholesterol ....... 197 mg/dL Ref: <130 H DIABETES SCREEN Glucose, fasting .......... 104 mg/dL Ref: 65-99 H Hemoglobin A1c ............ 5.9 % Ref: <5.7 H Comment: 5.7-6.4% is consistent with an increased risk for diabetes (prediabetes). 6.5% or higher is consistent with diabetes. VITAMIN D Vitamin D, 25-OH, total ... 17 ng/mL Ref: 30-100 L Comment: Below 20 ng/mL: deficiency. 20-29 ng/mL: insufficiency. METABOLIC PANEL Sodium .................... 140 mmol/L Ref: 135-146 Potassium ................. 4.4 mmol/L Ref: 3.5-5.3 Creatinine ................ 1.12 mg/dL Ref: 0.70-1.30 eGFR ...................... 79 mL/min/1.73m2 Ref: >=60 ALT ....................... 46 U/L Ref: 9-46 AST ....................... 31 U/L Ref: 10-40 BLOOD COUNT Hemoglobin ................ 15.1 g/dL Ref: 13.2-17.1 White blood cells ......... 6.8 Thousand/uL Ref: 3.8-10.8 Platelets ................. 245 Thousand/uL Ref: 140-400 THYROID TSH ....................... 2.1 mIU/L Ref: 0.40-4.50

[Age, sex, medicines and conditions]: 50, male. No prescribed medicines. I take a fish oil capsule most days and a multivitamin now and then. No known conditions. My father had a heart attack at 61. I don't smoke; I have 2 to 4 beers at the weekend. Office job, not much exercise. I fasted for 12 hours before the blood draw.

[Why the test was ordered]: A routine yearly physical. The results were posted to my patient portal, and my follow-up appointment is in 10 days.

Example output

1. Urgent check: Nothing on your report is marked critical or "call the doctor," and you haven't mentioned any warning symptoms, so this can wait for your appointment in 10 days.

2. Summary: Your report has 18 results. Seven are outside their printed range: total cholesterol, LDL cholesterol, triglycerides, non-HDL cholesterol, fasting glucose and hemoglobin A1c are above range, and vitamin D is below range. Two more sit at or near an edge: ALT is exactly at the top of its range, and HDL is just above its lower cutoff.

3. Results table

Test	Your result	Range on report	In range?	What it measures
Cholesterol, total	238 mg/dL	<200	Above (slightly to moderately)	All the cholesterol in your blood. High levels are generally linked with fatty buildup in blood vessels over time.
LDL cholesterol (calc)	162 mg/dL	<100	Above	The cholesterol that can build up in artery walls. "Calc" means it was worked out from your other numbers, not measured directly. Higher levels are generally linked with more heart and blood vessel risk.
HDL cholesterol	41 mg/dL	>39	In range (just above the cutoff)	The cholesterol that helps carry extra cholesterol away. Lower levels are generally linked with higher heart risk.
Triglycerides	176 mg/dL	<150	Above (slightly)	A type of fat in the blood that comes from food and from extra calories. High levels are often linked with diet, alcohol, low activity and blood sugar.
Non-HDL cholesterol	197 mg/dL	<130	Above	Total cholesterol minus HDL. It counts all the cholesterol types that can build up in arteries.
Glucose, fasting	104 mg/dL	65-99	Above (slightly)	Your blood sugar after not eating. High values are generally linked with the body having trouble handling sugar.
Hemoglobin A1c	5.9 %	<5.7	Above (slightly)	Your average blood sugar over about the last 2 to 3 months. The report's own comment says 5.7–6.4% is "consistent with an increased risk for diabetes (prediabetes)."

Claude Opus 5.5

Explain Lab Results – Lab results prompt for ChatGPT and Claude

Q: Can ChatGPT read blood test results?

Yes, ChatGPT can explain blood test results in plain words when you paste the full report with its reference ranges. It cannot diagnose you or say what the results mean for your health, so use the explanation to prepare questions and let your doctor interpret them.

Q: Is it safe to use AI to understand lab results?

It is reasonably safe to use AI to understand what each test measures, as long as it works from your report's own ranges and you check what it copied. Do not change medicines or supplements because of it; take its questions to your doctor.

Q: Can AI diagnose from blood tests?

No, AI cannot diagnose you from a blood test. One test rarely settles anything, and a diagnosis needs your history, an examination and often more tests. This prompt explains each result and turns the flagged ones into questions for your doctor instead.

Q: What is a good ChatGPT prompt to analyze blood work?

A good blood work prompt pastes the whole report with ranges and lab comments, adds your age, medicines and why the test was ordered, and asks for plain explanations and doctor questions rather than a diagnosis. It also tells the AI to use only the report's ranges.

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Claude Opus 5.5

This prompt explains your blood test before you see your doctor. Paste the report, your medicines and why it was ordered; you get every result against the report's own ranges, plain meanings and questions to ask.

What you get

Every result in one table, checked against the range printed on your report
Plain explanations of each test, and the everyday factors that can shift the flagged ones
Questions for your doctor, most important first, and what to bring
An urgent check and the warning signs that should not wait for the appointment

How to use it

1
Paste the whole report
Copy every result with its units, reference range, flags and lab comments. Leave out your name and ID numbers, and add your medicines and supplements.
2
Read the urgent check first
If it says to contact your doctor today, do that. Then check the results table against your report, value by value.
3
Take the questions with you
Print or save the questions. Your doctor decides what the results mean for you and what, if anything, to do next.

Better results

Paste the reference ranges and lab comments, not only the numbers. Ranges differ between labs, and the prompt uses only the ones on your report.
If you have earlier results, paste them too and ask: "Which results changed since last time, and by how much?"
Check the results table against your report before you rely on it. One misread decimal changes the meaning.

Questions

Can ChatGPT read blood test results?

Yes, ChatGPT can explain blood test results in plain words when you paste the full report with its reference ranges. It cannot diagnose you or say what the results mean for your health, so use the explanation to prepare questions and let your doctor interpret them.

Is it safe to use AI to understand lab results?

It is reasonably safe to use AI to understand what each test measures, as long as it works from your report's own ranges and you check what it copied. Do not change medicines or supplements because of it; take its questions to your doctor.

Can AI diagnose from blood tests?

No, AI cannot diagnose you from a blood test. One test rarely settles anything, and a diagnosis needs your history, an examination and often more tests. This prompt explains each result and turns the flagged ones into questions for your doctor instead.

What is a good ChatGPT prompt to analyze blood work?

A good blood work prompt pastes the whole report with ranges and lab comments, adds your age, medicines and why the test was ordered, and asks for plain explanations and doctor questions rather than a diagnosis. It also tells the AI to use only the report's ranges.

Updated 8 Nov 2026