What are the correct codes for a patient with proliferative bilateral retinopathy with bilateral bullous keratopathy?

Concrete and masonry are good conductors of heat because they have the ability to accumulate and store heat faster than it can be dissipated and release the heat when the surrounding environment cools. This phenomenon is referred to as serving as a __________

Fill in the blank(s) with correct word

A coinsurance limit is synonymous with:

a. an out-of-pocket limit. b. a copayment limit. c. a stop-loss gap. d. deductible.