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pH of Notifiable Condition

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

Measures the acidity or alkalinity of a sample associated with a condition that may require public health reporting.

Quick summary

["This test measures sample pH, but results must be interpreted in the context of the condition and specimen."]

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

Key facts at a glance

LOINC
54217-5
Short code
PH notifiable condition
Synonyms
PH notifiable condition
Category
liver
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 is this test?

This test measures pH, a value that describes how acidic or alkaline a sample is. The exact specimen and clinical purpose may vary because the slug does not identify either one.

Why might I need this test?

A pH measurement may help evaluate a condition involving infection, inflammation, contamination, or another process that can change the sample's chemistry. Some associated conditions may also be reportable to public health authorities.

How is the test performed?

A laboratory instrument measures the pH of the submitted sample using an electrode. The specimen is handled according to the test's clinical context and the laboratory's standard procedures.

How do I prepare for the test?

Preparation depends on the type of sample and the condition being evaluated. Follow the laboratory or clinician's instructions, and tell them if you recently used antibiotics, medications, or other products that could affect the result.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Notifiable Condition pH

Frequently asked questions

Does a pH test diagnose a specific condition?
Not by itself. It provides information about the sample's acidity or alkalinity and is interpreted alongside symptoms, examination findings, and other tests.
Can sample handling change the pH result?
Yes. Delays, exposure to air, contamination, and storage conditions can alter pH, so prompt and appropriate specimen handling is important.
Why might the condition be described as notifiable?
Some infectious or reportable conditions must be communicated to public health authorities. Your clinician or laboratory can explain whether this applies to your situation.
  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