| Journal of Medical Cases, ISSN 1923-4155 print, 1923-4163 online, Open Access |
| Article copyright, the authors; Journal compilation copyright, J Med Cases and Elmer Press Inc |
| Journal website http://www.journalmc.org |
Case Report
Volume 6, Number 5, May 2015, pages 229-231
Fourth Reported Case of Hemoglobin South Florida: A Rare Hemoglobin Variant That Causes Falsely Elevated HbA1c Values
Tables
| Date | HbA1c results done by ion exchange HPLC | Blood glucose (mg/dL) | HbA1c done by affinity column HPLC |
|---|---|---|---|
| September 13, 2013 | 13.8% | 98 | |
| September 17, 2013 | 12.7% | ||
| October 02, 2013 | 12.8% | 103 | |
| April 05, 2014 | 14.1% | 109 | |
| April 16, 2014 | 12.7% | 133 (non-fasting) | 4.2% |
| Hb type | Patient results % | Normal range |
|---|---|---|
| *Pattern consistent with heterozygous Hb South Florida. | ||
| Hb A | 58.1 | > 95% |
| Hb F | 1 | Ref: none |
| Hb S | 0 | Ref: none |
| Hb C | 0 | Ref: ≥ 0 |
| Hb A2 | 3.7 | Normal: 0.7 - 3.1 |
| Hb variant South Florida* | 37.2 | |