Medical Necessity and Advance Beneficiary Notices Medical Necessity Guide Advanced Beneficiary Notice (ABN) Blank Form & Instructions _________________________________________________________________________________________________ Most Commonly used Diagnosis Codes by Specialty Cardiology Family Practice Internal Medicine Obstetrics and Gynocology Orthopeadics Coding Manuals by Test Grouping for Medical Necessity Acid Phosphatase Alpha Fetoprotein Tests Blood Counts B-Type Nariretic Peptide (BNP) CA 15-3 (27.29) CA 19-9 CA 125 C-Reactive Protein, Ultrasensative (CRP) Collagen Crosslinks Digoxin Electron Microscopy Erythrocyte Sedimentation Rate (ESR) Flow Cytometry Testing Glutamyltransferase, Gamma (GGT/GGTP) Glucose Glycosylated Hemoglobin Gonodotropin, Chorionic; Quantitative (HCG) Testing Hepatic Testing Hepatitis Testing HIV Prognosis HIV Diagnosis Homocysteine Immunohistochemistries Ionized Calcium Iron Testing Lipids Magnesium Occult Blood Partial Thromboplastin Time, Activated (APTT/PTT) Prothrombin Time Prostatic Specific Antigen (PSA) Parathyroid Hormone Testing (PTH) Rast Testing Syphilis Testing Thyroid Function Testing Urine Cultures Vitamin D Testing
Most Commonly used Diagnosis Codes by Specialty
Cardiology
Family Practice
Internal Medicine
Obstetrics and Gynocology
Orthopeadics