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The CRP Latex Agglutination test is a rapid, qualitative or semi-quantitative method for detecting C-Reactive Protein (CRP) in...
Also known as: CRP Latex Test · CRP Qualitative Test · CRP Slide Test · Semi-Quantitative CRP · CRP Rapid Test
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*Inclusive of home collection charges
The CRP Latex Agglutination test is a rapid, qualitative or semi-quantitative method for detecting C-Reactive Protein (CRP) in serum — using latex particles coated with anti-CRP antibodies that visibly clump (agglutinate) when CRP is present above a defined threshold. It provides a fast initial screen for significant inflammation or infection — particularly useful in point-of-care and resource-efficient settings where a rapid positive/negative answer is needed, and where the precise numerical precision of the quantitative immunoturbidimetric CRP assay (Test 64) is not immediately required. No fasting required.
Key benefits of this package include:
What Does the C-Reactive Protein (CRP) Test — Latex Agglutination Measure?
| Level / Result | Possible Interpretation |
|---|---|
| Negative (No agglutination) | CRP below detection threshold (< 6 mg/L) — no significant inflammation detected at this level |
| Positive — 1:1 titre (approx. 6–12 mg/L) | Low-level CRP elevation — mild inflammation; viral infection or early bacterial infection |
| Positive — 1:2 titre (approx. 12–24 mg/L) | Moderate CRP elevation — significant inflammation; bacterial infection likely |
| Positive — 1:4 titre (approx. 24–48 mg/L) | High CRP — active bacterial infection or significant autoimmune flare |
| Positive — 1:8 or higher titre (> 48 mg/L) | Very high CRP — severe bacterial infection or sepsis; quantitative CRP recommended for precise value |
Important Note: The latex agglutination CRP is a screening tool only — a positive result identifies significant CRP elevation but cannot provide the precise numerical value needed for clinical titration of treatment. A negative result means CRP is below ~6 mg/L — it does not exclude low-level inflammation detectable by quantitative assay. For any clinical situation requiring precise CRP monitoring, upgrade to Quantitative CRP (Test 64). All results must be reviewed by a physician.
When to Upgrade from Latex CRP to Quantitative CRP: Latex agglutination CRP is appropriate when the clinical question is simply 'is there significant inflammation?' — useful for initial fever triage and broad infection screening. Quantitative CRP should be ordered when: (1) precise monitoring of treatment response is needed (falling CRP values guide antibiotic duration), (2) severity assessment requires an exact value (e.g., distinguishing 20 mg/L from 200 mg/L significantly changes management), (3) cardiovascular risk assessment using hs-CRP is desired, or (4) serial monitoring of autoimmune disease activity requires reproducible numerical tracking. Medall offers both tests — your physician or Medall team can advise which is most appropriate for your clinical situation.
Book once, we handle the rest. Our certified phlebotomist arrives at your doorstep — your report is delivered within 24 hours.
Trusted by millions of Customers across South India — these are the tests our doctors recommend most.
Screens for anaemia, infections, and immune health
