Please assess the completion status of the following clinical trial:

Trial Title: Celiac Disease and Unexplained Iron Deficiency in a Primary Care Setting

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: COHORT
- Primary Purpose: None
- Time Perspective: None
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~1. Active outpatients in the Providence Internal Medicine Residency Clinic, Family Medicine Residency Clinics, or Providence Internal Medicine Clinic~2. Demographic Age \> 18 years. Diagnostic criteria: markers of iron deficiency at last check are defined as MCV\<80 fL, Iron Sat\<20% or ferritin\<30 ng/mL.~3. Patient signs informed consent document and HIPAA authorization for release of personal health information.~4. Ability to understand procedures and comply with them for one year duration of study~Exclusion Criteria:~1. Any documented significant acute or chronic blood loss, per medical record review or self- report (see Appendix B). Significant blood loss includes~   1. Acute blood loss requiring iron treatment or transfusions within 1 year prior to the above measure of iron deficiency~  2. Chronic blood loss (such as menorrhagia, GI bleeding, hemoptysis, hematuria, chronic nose bleeds, hemolysis, regular blood donations, or major trauma requiring transfusion or iron therapy)~  3. Thalassemia or other major hemolytic diseases.~2. Prior diagnosis of celiac disease, or other documented cause of iron malabsorption.~3. Women who are currently pregnant, or who were pregnant with 6 months prior to time of last testing.~4. Those currently or recently on chemotherapy (within the last 6 months)~5. Those with prior gastric resection or bariatric surgery~6. Those with advanced chronic kidney disease (stage 4 or 5)~7. Any other reasons that, in the investigators' opinion, may prevent compliance with protocol

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Based on this trial design, predict the completion outcome and termination type (if applicable).