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Submission Timestamp (Date Received)

Published: August 9, 2026Updated: August 16, 2026

This test records when your lab sample was submitted for processing, not the results of any specific blood, urine, or other bodily fluid test.

Quick summary

["This is not a diagnostic test—it simply tracks when your sample arrived at the lab."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
65838-5
Short code
DATESUBMITTED
Synonyms
—
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

What This Test Actually Measures

The submission timestamp is a basic administrative record showing the exact date and time your sample was received by the lab. It does not involve measuring any chemicals, cells, or substances in your body.

Why It’s Included in Your Lab Results

Some labs include submission timestamps to ensure proper scheduling of tests, track sample handling delays, or verify sample integrity. It helps healthcare providers coordinate follow-up care.

What You Should Know Before Testing

This test does not require fasting, special preparation, or any restrictions. It’s purely for logistical tracking and will not affect your treatment plan.

Common Misconceptions

Do not confuse this with a ‘date due’ or ‘turnaround time’—it’s not a measurement of your health. If you’re unsure why this was included, ask your provider.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Frequently asked questions

Why was this timestamp included in my results?
Some labs use submission timestamps to monitor workflow efficiency, especially for urgent or complex tests. It may also help confirm that your sample was processed promptly.
Does this test affect my treatment?
No. This is purely an administrative record and does not influence medical decisions. Focus on the actual test results provided alongside it.
What if I didn’t expect this test?
It’s common for labs to include basic metadata like timestamps. If you’re concerned, review your full lab report or discuss it with your healthcare team.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy