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Okkult blødning

Sist revidert:
Sist revidert av:


  1. Bull-Henry K, Al-Kawas FH. Evaluation of occult gastrointestinal bleeding. Am Fam Physician. 2013 Mar 15;87(6):430-436. PubMed  
  2. Bechtold ML, Ashraf I, Nguyen DL. A clinician's guide to fecal occult blood testing for colorectal cancer. South Med J 2016; 109(4): 248-255.
  3. Zuckerman GR, Prakash C, Askin MP, Lewis BS. AGA technical review on the evaluation and management of occult and obscure gastrointestinal bleeding. Gastroenterology. 2000;118(1):201–221. PMID: 10611170. PubMed  
  4. Randel KR, Botteri E, Romstad KMK, et al. Effects of Oral Anticoagulants and Aspirin on Performance of Fecal Immunochemical Tests in Colorectal Cancer Screening. Gastroenterology 2019. doi:10.1053/j.gastro.2019.01.040 DOI  
  5. Dalton HR, Maskell GF. Investigating occult gastrointestinal haemorrhage . BMJ 2008; 337: 422. PubMed  
  6. Gjør kloke valg. Norsk forening for medisinsk biokjemi. Unngå test for okkult blod i avføringen ved andre indikasjoner enn mistanke om kolorektal kreft. Kvantitative immunologiske tester for okkult blod (iFOBT) bør erstatte kjemiske tester. Publisert 9. januar 2023.
  7. Noklus. Anbefalinger vedørende bruk av tester for okkult blod i avføring. Bergen; 2023. Pub 03.01.2023. Siden besøkt 20.01.2023
  8. Westwood M, Corro Ramos I, Lang S, et al. Faecal immunochemical tests to triage patients with lower abdominal symptoms for suspected colorectal cancer referrals in primary care: a systematic review and cost-effectiveness analysis. Health Technol Assess. 2017; 21: 1-234. PMID: 28643629 PubMed  
  9. Wieten E, Schreuders EH, Grobbee EJ, et al. Incidence of faecal occult blood test interval cancers in population-based colorectal cancer screening: a systematic review and meta-analysis. Gut. 2018. PMID: 29934436 PubMed  
  10. Rockey DC, Paulson E, Niedzwiecki D, et al. Analysis of air contrast barium enema, computed tomographic colonography, and colonoscopy: prospective comparison. Lancet 2005; 365: 305-11. PubMed  
  11. Moglia A, Pietrabissa A, Cuschieri A. Capsule endoscopy. Clinical review. BMJ 2009; 339: b3420. BMJ (DOI)  
  12. Tibble J, Sigthorsson G, Foster R, Sherwood R, Fagerhol M, Bjarnason I. Faecal calprotectin and faecal occult blood tests in the diagnosis of colorectal carcinoma and adenoma. Gut 2001; 49 (3): 402-8.
  • Terje Johannessen, professor i allmennmedisin, Trondheim

Tidligere fagmedarbeidere

  • Henrik Forssell, docent och överläkare, Kirurgkliniken, Blekingesjukhuset, Karlskrona (Medibas)
  • Jan H. Dybdahl, overlege, dr.med., Medisinsk avdeling, St. Olavs Hospital, Trondheim