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HCPCS Level II/M-Codes/M1399

M1399 HCPCS Level II Code: Patients who leave the practice during the follow-up period

Medicare Coverage & Payment

  • Medicare coverage: Carrier judgment (CMS coverage code C)
  • Payment category: Service not separately priced (pricing indicator 00)
  • BETOS: Z2 — Undefined codes
  • Last CMS action effective: January 1, 2025

Source: CMS HCPCS Level II release. Coverage codes indicate how Medicare treats the code, not whether a specific claim will be paid; payer policy and documentation still govern.

Official Registry Overview & Definition

Patients who leave the practice during the follow-up period is a HCPCS Level II code (M1399). CMS assigns coverage code C — Carrier judgment. Short description: Pt lve prac.

Nearest Codes in This Family

Official HCPCS Level II classifications closest to M1399 in its code family, with their registry titles.

  • M1388 — Patients with documentation of an exam performed for recurrence of melanoma
  • M1390 — Patients who do not have a documented exam performed for recurrence of melanoma or no documentation within the performance period
  • M1391 — All patients who were diagnosed with recurrent melanoma during the current performance period
  • M1392 — Documentation of patient reasons for no examination, i.e., refusal of examination or lost to follow-up (documentation must include information that the clinician was unable to reach the patient by phone, mail or secure electronic mail - at least one method must be documented)
  • M1393 — Patients who were not diagnosed with recurrent melanoma during the current performance period
  • M1394 — Stages i-iii breast cancer
  • M1395 — Patients receiving an initial chemotherapy regimen with a defined duration with the eligible clinician or group
  • M1396 — Patients on a therapeutic clinical trial
  • M1397 — Patients with recurrence/disease progression
  • M1398 — Patients with baseline and follow-up promis surveys documented in the medical record