What's electron flow? Electron flow is what we think of as electrical current. We are familiar with two types of electron flow, Direct Current, or DC, and Alternating Current, or AC. Direct Current is the kind of electrical flow we get from batteries and solar cells, when electrons travel in only one direction.
Dermatologists can charge for a consultation, as specialists need a referral letter from a doctor to get paid, they said. The letter can be obtained from an outpatient clinic. The Morning Headlines Newsletter. Delivered daily to your inbox.
expand icon Do I have to get a referral to see a specialist in Special Needs Plans (SNPs)? In most cases, you have to get a referral to see a specialist in SNPs. Certain services, like yearly screening mammograms or an in-network pap test and pelvic exam (covered at least every other year), don't require a referral.