Abstract Background: Low back pain and sciatica are one of the most common complaints that face clinicians in spine outpa-tient clinics. The process of examination and reaching a diagnosis is not always easy. Planning treatment that suits each case needs a surgeon that has the knowledge and tools to tackle the different diagnosis. Introduction of new concepts about low back pain and sciatica with improved clinical examination findings that will lead to more accurate clinical diagnosis. Using the algorithm will reach to a diagnosis that needs imaging only for confir-mation. Aim of Study: This algorithm aims at simplifying diagnosis and management of low back pain and sciatica putting in mind treatment options including endoscopic techniques. Patients and Methods: Four hundred patients were includ-ed in the study; they were examined according to the algorithm in the outpatient clinic of Al-Helmya Military Hospital during the period from January 2020 to December 2020. Results: The diagnosis reached by using the algorithm coincided with the MRI findings in 93% of cases and the success rate of the treatment methods used was 89%. Conclusion: Using a systematic approach to diagnosis and reaching a treatment plan has proved successful in the management of low back pain and sciatica.