II. Background
- Protein (120 Amino Acid) found in all human cells with a nucleus, as well as nearly all body fluids and tissues
III. Indications
- Alternative to Serum Creatinine as a measure of GFR
- Consider when estimated GFR is decreased, with suspected False Positive test
- Abnormal GFR measurement with no known structural Kidney disease, CKD risk factors or albuminuria
IV. Contraindications (inaccurate Serum Cystatin-C)
- Acute Kidney Injury
- Inflammatory states
- Thyroid dysfunction
V. Disadvantages
- May not be available at all facilities
VI. Resources
- National Kidney Foundation GFR Calculator
- Wikipedia
VII. References
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Related Studies
Definition (NCI_CDISC) | A measurement of the cystatin C in a biological specimen. |
Definition (NCI) | The determination of the amount of cystatin C present in a sample. |
Concepts | Laboratory Procedure (T059) |
CPT | 82610 |
Dutch | cystatine C |
French | Cystatine C |
German | Cystatin C |
Italian | Cistatina C |
Portuguese | Cistatina C |
Spanish | Cistatina C |
Japanese | シスタチンC, シスタチンC |
English | CYSTATIN C, Cystatin c, Cystatin C Measurement, Measurement of cystatin C, CYSTATC, Cystatin C, Cystatin C measurement |
Czech | Cystatin C |
Hungarian | Cisztatin C |