# 410.130 Definitions.
For the purposes of this subpart, the following definitions apply:
*Chronic renal insufficiency* means the stage of renal disease associated with a reduction in renal function not severe enough to require dialysis or transplantation (glomerular filtration rate [GFR] 15-59 ml/min/1.73m
<sup>2</sup>).
*Diabetes* means diabetes mellitus, a condition of abnormal glucose metabolism .
*Episode of care* means services covered in a 12-month time period when coordinated with initial diabetes self-management training (DSMT) and one calendar year for each year thereafter, starting with the assessment and including all covered interventions based on referral(s) from a physician as specified in § 410.132(c). The time period covered for gestational diabetes extends only until the pregnancy ends.
*Medical nutrition therapy services* means nutritional diagnostic, therapeutic, and counseling services provided by a registered dietitian or nutrition professional for the purpose of managing diabetes or a renal disease.
*Physician* means a doctor of medicine or osteopathy legally authorized to practice medicine and surgery by the State in which he or she performs such function or action (including a physician within the meaning of section of 1101(a)(7) of the Act).
*Renal disease* means chronic renal insufficiency, end-stage renal disease when dialysis is not received, or the medical condition of a beneficiary for 36 months after kidney transplant.
[66 FR 55331, Nov. 1, 2001, as amended at 68 FR 63261, Nov. 7, 2003; 86 FR 65667, Nov. 19, 2021; 88 FR 79529, Nov. 16, 2023]