Constipation laboratory findings
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Eiman Ghaffarpasand, M.D. [2]
Overview
There are no diagnostic laboratory findings necessary for diagnosing constipation in young people without alarm signs. Laboratory test for exclusion of underlying diseases are complete blood count, Blood urea nitrogen (BUN)/creatinine, Phosphate, Glucose, Liver function tests (LFTs), Fecal occult blood test, Thyroid function tests, Calcium, and Magnesium. In case of high suspicion other laboratory tests may be needed, such as serum protein electrophoresis, urine porphyrins, serum parathyroid hormone, and serum cortisol levels.
Laboratory Findings
- There are no diagnostic laboratory findings necessary for diagnosing constipation in young people without alarm signs.[1]
Screening for excluding underlying disease[2]
- Complete blood count (CBC)
- Blood urea nitrogen (BUN)/creatinine
- Phosphate
- Glucose
- Liver function tests (LFTs)
- Fecal occult blood test
- Thyroid function tests
- Calcium
- Magnesium
High index of suspicious for including underlying disease[2]
- Serum protein electrophoresis
- Urine porphyrins
- Serum parathyroid hormone
- Serum cortisol levels
References
- ↑ "An evidence-based approach to the management of chronic constipation in North America". Am. J. Gastroenterol. 100 Suppl 1: S1–4. 2005. doi:10.1111/j.1572-0241.2005.50613_1.x. PMID 16008640.
- ↑ 2.0 2.1 Rao SS, Meduri K (2011). "What is necessary to diagnose constipation?". Best Pract Res Clin Gastroenterol. 25 (1): 127–40. doi:10.1016/j.bpg.2010.11.001. PMC 3063397. PMID 21382584.