Ca -19-9
Also known as: CA 19-9 test, Cancer marker CA19-9, Pancreatic tumor marker
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CA 19-9 blood test (tumor marker) used for clinician-directed monitoring in selected gastrointestinal and pancreaticobiliary conditions. No…
- Tumor marker mainly used for monitoring, not screening
- Trend over time is more useful than a single value
- Can be elevated in non-cancer conditions (jaundice, inflammation)
Ca 15.3-Breast Cancer Marker
Also known as: CA 15-3 test, CA15-3 tumor marker, Breast cancer marker CA 15-3
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CA 15-3 blood test (tumor marker) used for clinician-directed monitoring in selected breast cancer care contexts. Not recommended for routi…
- Tumor marker mainly used for monitoring, not screening
- Trend monitoring over time is more useful than single values
- Can be influenced by non-cancer conditions—context required
Ca-125
Also known as: CA-125 test, CA125 tumor marker, Ovarian cancer marker CA125
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CA-125 blood test (tumor marker) used for clinician-directed monitoring in selected gynecologic conditions, including ovarian cancer care p…
- Tumor marker mainly used for monitoring, not screening
- Trend tracking over time is more useful than single values
- Can rise in benign conditions (endometriosis, inflammation, menstruatio…
Carcino Embryonic Antigen-Cea
Also known as: CEA test, Carcinoembryonic antigen, CEA tumor marker
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CEA (carcinoembryonic antigen) blood test (tumor marker) used for clinician-directed monitoring in selected cancers, especially colorectal …
- Tumor marker primarily for monitoring, not screening
- Trend tracking is more useful than single readings
- Smoking and benign inflammation can raise CEA
Cd4 Absolute Count
Also known as: CD4 absolute count, CD4 T cell count, Helper T cell count
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CD4 absolute count by flow cytometry to assess helper T-cell levels as part of immune status evaluation. Commonly used in HIV care and othe…
- Measures absolute CD4 helper T-cell count via flow cytometry
- Key marker for immune status monitoring in HIV care (with viral load)
- Useful for tracking trends over time under clinician guidance
Cd4 Count
Also known as: CD4 count, CD4 percentage, CD4 T cell test
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CD4 count test (flow cytometry) to assess helper T-cell levels; may be reported as absolute count and/or percentage depending on lab method…
- Flow cytometry-based CD4 measurement for immune monitoring
- May include CD4 absolute and/or CD4 percentage depending on protocol
- Key in HIV care monitoring with viral load
Cd8 Count
Also known as: CD8 count, CD8 T cell count, Cytotoxic T cell count
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CD8 T-cell count by flow cytometry to evaluate cytotoxic T-lymphocyte levels, often reported with CD4 and CD4/CD8 ratio. Used in HIV monito…
- Measures CD8 cytotoxic T-cell levels via flow cytometry
- Often reported with CD4 and CD4/CD8 ratio for immune profiling
- Used in HIV care monitoring and selected immunology evaluations
Chikungunia
Also known as: Chikungunya test, Chikungunya IgM IgG, Chikungunya blood test
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Chikungunya test (antibody and/or antigen method depending on order) to support clinician-led evaluation of fever with joint pain in endemi…
- Supports evaluation of chikungunya in febrile illness with joint pain
- Best test depends on timing from symptom onset
- Antibody tests may be used after several days of illness
Chlamydia Igg
Also known as: Chlamydia IgG, Chlamydia antibody test, Chlamydia serology
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Chlamydia IgG antibody test to assess past exposure patterns in clinician-led evaluation contexts. Not recommended as a standalone test for…
- Indicates past exposure pattern rather than current infection
- NAAT/PCR is preferred for diagnosing active chlamydia infection
- Useful only in selected clinical contexts under clinician guidance
Chlamydia Igm
Also known as: Chlamydia IgM, Chlamydia antibody IgM, Chlamydia serology IgM
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Chlamydia IgM antibody test to support clinician-led evaluation in selected contexts, but it is not the preferred method for diagnosing act…
- Not the preferred test for active genital chlamydia diagnosis
- NAAT/PCR from urine or swab is generally recommended for current infect…
- IgM interpretation can be difficult and may produce non-specific results
Chlorides
Also known as: Chloride test, Serum chloride, Electrolyte test chloride
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Serum chloride test to assess an important electrolyte involved in fluid balance and acid–base status. Commonly ordered with sodium, pota…
- Key electrolyte for fluid and acid–base balance
- Commonly ordered with sodium, potassium, bicarbonate (electrolyte panel)
- Abnormal values require interpretation with hydration and kidney functi…
Cholesterol
Also known as: Total cholesterol test, Cholesterol blood test, Lipid test
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Total cholesterol blood test to support clinician-led cardiovascular risk assessment. Often ordered as part of a lipid profile with HDL, LD…
- Standard marker for lipid and cardiovascular risk assessment
- Best interpreted with HDL, LDL/non-HDL, triglycerides
- Fasting depends on whether triglycerides are measured
