Medical coders must assign and input the correct diagnostic code to establish the amount of money a health care provider or facility gets reimbursed from the insurer. In order to maintain consistency, they must utilize standard classification systems, like ICD-9-CM/CPT/HCPCS/DRG/APC.
Sometimes a small amount of spotting or vaginal bleeding is one of the first symptoms of pregnancy. Known as implantation bleeding, it happens when the fertilised egg attaches to the lining of the uterus â about 10 to 14 days after fertilization.
Implantation Symptoms You Need to Know. Implantation starts around 7-12 days after your conception. Before now the egg has been fertilized and the cells have started to divide, creating a zygote. This zygote will then implant into the uterine wall. There are a few symptoms you can expect once this occurs.