| A | B |
| Capitation Fee | A form of reimbursement in which a pharmacy is paid a specified amount of money each month, regardless of whether the patient’s prescription costs for that month fall short of or exceed the capitation amount, for each patient who is assigned to receive prescriptions from that pharmacy. |
| Capsule | A small, oblong gelatin container filled with medication. |
| Cerebrovascular Accident | Stroke. |
| Child-resistant Containers | Container used to prevent children from using unauthorized medications. |
| Ciliary Muscle | Muscle in the eye that allows for clear vision during distance changes also known as accommodation. |
| Circular Muscle | Muscle in the eye, controlled by the peripheral nervous system, that adjusts for near and far vision. |
| Claims Reconciliation | The process of comparing claims submissions to claims payments to detect incorrect claims rejections, as well as underpayments or overpayments. |
| Closed-ended Question | Question that elicits a short response, such as 'yes' or 'no.' |
| Closed Panel | A network of pharmacies organized by a MCO or PBM in which only selected or preferred pharmacies may participate. These preferred pharmacies are often selected because they belong to a chain that is willing to accept lower reimbursement or share some of the MCO’s administrative costs. |
| Coinsurance | A form of patient cost sharing in which patients pay a specified percentage of their medical expenses. |
| Collodion | Liquid medication that dries as a flexible film on the skin. Many wart, corn and callous remedies are prepared as collodions. |
| Compliance Aid | A device or system that helps remind patients to take the correct amount of medication at the correct time. |
| Complication | Undesirable effect of a disease that may lead to another disease or condition, often requiring additional treatment. |
| Compounding | Combining active and inactive ingredients to form a pharmaceutical product, sterile or non-sterile, that is not commercially available. |
| Confidentiality | Ensuring that patient information is given to only those people who are authorized to view the information. |
| Continuous Infusion | A type of administration of intravenous medication in which a flexible needle is placed into a vein for only two or three days allowing the medication container to be changed without removing the needle. Long-term IV needle therapy may require a more permanent IV placed by a surgeon. |
| Contraindication | A symptom or medical condition which indicates the inappropriateness of a form of treatment that would otherwise be advisable. |
| Controlled-Release Product | A tablet, capsule or medication particles with special coatings designed to release the medication in the body at a constant rate. |
| Controlled Substance | Drug with the potential for abuse or physical and/or psychological dependence. |
| Convalescent Aids | Medical devices such as canes, crutches, bed pans, cervical collars, etc. |
| Copayment | A form of patient cost sharing in which patients pay a fixed amount each time a prescription is dispensed. |
| Cor Pulmonale | Right-sided heart failure. |
| Corticosteroid | Medication class used to reduce inflammation especially during asthma or COPD exacerbations. |
| Counterirritant | Medication class used to treat pain by causing a burning sensation on the skin to relieve deeper pains. |
| Coverage Gap (donut hole) | Point in a Medicare Part D plan in which the insurance does not cover any medication costs and patients must pay out-of-pocket. |
| Covered Entity | An entity that is a health care provider that conducts certain transactions in electronic form, a healthcare clearinghouse, and/or a health plan. |
| Cream | Preparation combining water, oil and other substances. Although they usually do not offer as much protection as ointments, creams are more appealing to patients because they are absorbed by the skin and usually are not greasy or oily. |