Yeast Isolate Culture — Colony Color
A culture-based observation of the color of an isolated yeast colony. It may help support yeast identification when combined with other laboratory findings.
["The color of a cultured yeast colony can provide clues for identifying the yeast, but it is interpreted with other test results."]
Key facts at a glance
- LOINC
- 97943-5
- Short code
- Yeast colony Islt Cult-Color
- Synonyms
- Yeast colony Islt Cult-Color
- Category
- liver
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Ref low
- 10
- Ref high
- 40
- Critical range
- — – 500 N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- culture
- CPT
- 84484
- SNOMED
- 302774002
- 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 records the visible color of a yeast colony after it has grown in a laboratory culture. Color can be one feature used to help identify or distinguish yeast organisms.
Why might I need this test?
It may be reported when a yeast infection is suspected or when yeast has been recovered from a specimen. The result is usually considered together with the specimen source, colony appearance, and other microbiologic or biochemical tests.
How is the test performed?
A specimen is cultured under controlled laboratory conditions. Once yeast colonies appear, the laboratory observes and records the colony color as part of the culture assessment.
How do I prepare for the test?
Preparation depends on the specimen being tested. Follow the laboratory's collection instructions, especially when providing a sterile container or when collecting a urine, blood, swab, or other sample.
Reference range
Adult: 10-40 U/LN/A
No special preparation required. Avoid fatty meals before the test if possible.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
A yeast colony color may help narrow the likely type of yeast identified in a culture. However, colony colors can overlap, so an unusual or different color does not by itself confirm a particular organism or diagnosis. The result should be interpreted with other culture findings and, when needed, additional identification testing.
Short name
Yeast colony color
Frequently asked questions
Does the result identify a specific yeast infection?
Is a yeast colony color abnormal?
Will this test show whether I have a yeast infection?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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.
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 17, 2026. · Read our editorial policy