Chromatin Interphase Protein Analysis (Fish Method) - Blood
This test measures specific proteins found in blood cells during the resting phase of cell division (interphase). It may be used to assess cellular health or detect abnormalities in certain blood conditions.
["This test helps evaluate how chromatin proteins behave in your blood cells, potentially aiding in diagnosing or monitoring blood disorders."]
Key facts at a glance
- LOINC
- 62345-4
- Short code
- Chrom analy interphase pnl Bld FISH
- Synonyms
- Chrom analy interphase pnl Bld FISH
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- fish
- CPT
- 86038
- 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
Why This Test Might Be Ordered
Your healthcare provider may recommend this test if you have symptoms like fatigue, unusual bleeding, or if they suspect conditions affecting blood cell function, such as certain cancers, immune disorders, or genetic syndromes. It could also be part of a broader evaluation for unexplained anemia or white blood cell abnormalities.
What to Expect Before the Test
No special preparation is typically needed. You may fast before the test if instructed, but this is not always required. Bring any medications or supplements you’re currently taking, as they may affect results.
What Happens During the Test
A healthcare professional will draw blood from a vein in your arm using a small needle. You may feel a brief pinch, but it usually doesn’t cause significant discomfort. The blood sample is then processed to analyze chromatin interphase proteins using a specialized fish-based assay method.
What the Results Mean
Results are qualitative (yes/no or present/absent) and may indicate whether abnormal levels of chromatin proteins are present. Your provider will interpret these results in the context of your medical history and symptoms to guide diagnosis or treatment planning.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance
Short name
Fish Assay for Chromatin Interphase Proteins
Frequently asked questions
What does this test measure?
How might my results affect my treatment?
Can this test detect early signs of disease?
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 16, 2026. · Read our editorial policy