# Hemoglobin (Hb) Solubility

> This test checks for the presence of hemoglobin S, an abnormal protein in red blood cells that causes them to become stiff and sickle-shaped. It is useful for investigating the cause of unexplained anemia or determining if a person carries the genetic trait for sickle cell disease.

- Labcorp code: 005223
- Category: [Heart & Metabolic](https://picardo.health/labs/tests/heart-metabolic.md)
- Sample: blood
- Labcorp turnaround: 2–3 days
- Collection: free at a Labcorp location, or $75.00 at home.
- Without a doctor: yes. People order it themselves, with no doctor's visit or referral.
- Price: shown on the review page its order link opens. Opening it orders nothing.
- Order link: https://app.picardo.health/labs/order?tests=005223&ref=assistant

## About ordering

People order for themselves, with no doctor's visit or referral, and results arrive in their Picardo account. Ordering is open to adults 18 and over in the US, except New York, New Jersey, Rhode Island, Pennsylvania, Maryland, Massachusetts, Hawaii and Maine. General health information, not medical advice.