Encounter for surgical aftercare following surgery on the nervous system

• Z codes represent reasons for encounters. A corresponding procedure code must accompany a Z code if a procedure is performed. Categories Z00-Z99 are provided for occasions when circumstances other than a disease, injury or external cause classifiable to categories A00-Y89 are recorded as 'diagnoses' or 'problems'. This can arise in two main ways:
• (a) When a person who may or may not be sick encounters the health services for some specific purpose, such as to receive limited care or service for a current condition, to donate an organ or tissue, to receive prophylactic vaccination (immunization), or to discuss a problem which is in itself not a disease or injury.
• (b) When some circumstance or problem is present which influences the person's health status but is not in itself a current illness or injury.

Categories Z40-Z53 are intended for use to indicate a reason for care. They may be used for patients who have already been treated for a disease or injury, but who are receiving aftercare or prophylactic care, or care to consolidate the treatment, or to deal with a residual state

follow-up examination for medical surveillance after treatment (Z08-Z09)

• encounter for follow-up examination after completed treatment (Z08-Z09)
• encounter for aftercare following injury - code to Injury, by site, with appropriate 7th character for subsequent encounter

• encounter for attention to artificial openings (Z43.-)
• encounter for fitting and adjustment of prosthetic and other devices (Z44-Z46)

These codes identify the body system requiring aftercare. They are for use in conjunction with other aftercare codes to fully explain the aftercare encounter. The condition treated should also be coded if still present.

• aftercare for injury- code the injury with 7th character D
• aftercare following surgery for neoplasm (Z48.3)

• aftercare following organ transplant (Z48.2-)
• orthopedic aftercare (Z47.-)