What is the appropriate ICD-10 code for Positive Cologuard Test? This is the reason for the procedure.. What is dx code for fecal DNA Test Positive, 12 day(s ). When screening results in the diagnosis of colorectal adenomas or cancer, patients are. . If the test is positive, a colonoscopy will be needed for further evaluation.. An example of an sDNA test is Cologuard, which may detect colorectal . CPT code, HCPCS code, and ICD-10 code information on billing for Cologuard noninvasive colon cancer screening test. Dec 16, 2016. Positive Cologuard Test Makes for Longer Colonoscopy Time. Douglas K. Rex. Nov 21; [e-pub]. (http://dx.doi.org/10.1016/j.gie.2016.11.012). A false positive result occurs when Cologuard produces a positive result, even both ICD-10 diagnosis codes Z12.11 (encounter for screening for malignant . Home > 2017 ICD-10-CM Diagnosis Codes > Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified guaiac positive R19.5. What does “positive medical policy” mean? For Cologuard, this generally means that the insurer considers the test to be eligible for potential coverage and to be . colorectal cancer by DNA analysis of stool (i.e., Cologuard) is medically necessary every positive results, as well as a higher likelihood of follow-up colonoscopy and associated. ICD-10-CM Diagnosis Codes that Support Coverage Criteria. Applied Biosystems® 7500 Fast Dx Real-Time PCR; Hamilton Microlab® STARlet;. A positive result may indicate the presence of colorectal cancer (CRC ) or .. .