MEDICAL CODING INSTITUTE IN CALICUT
Z CODES Z codes represent reasons for specific encounters and are found in Chapter 21 of ICD-10. Certain Z codes may only be reported as the first-listed Dx and should never be reported in any position other the primary position. Some Z codes cannot be first-listed. Z codes are for use in any healthcare setting. Z codes may be used as either a first-listed (principal diagnosis code in the inpatient setting) or secondary code, depending on the circumstances of the encounter. COMMON Z CODES Z00.4 (general psychiatric examination, not elsewhere classified) Z03.2 (observation for suspected mental and behavioral disorders) Z04.6 (general psychiatric examination, requested by authority) Z09.3 (follow-up examination after psychotherapy) Z13.3 (special screening examination for mental and behavioral disorders) Z13.4 (special screening examination for certain developmental disorders in childhood) Z50.4 (psychotherapy, not elsewhere classified) Z54.3 (convalescence followi...