Section 4CC. No subscription certificate under an individual or group medical service agreement, delivered, issued or renewed in the commonwealth shall restrict or discontinue coverage for medically necessary hypodermic syringes or needles to an individual or group subscriber within the commonwealth or to a group subscriber having a principal place of employment within the commonwealth, notwithstanding section 27 of chapter 94C. The term ”medical necessity” shall be construed in accordance with the guidelines set forth in subsection (b) of section 16 of chapter 176O.