ICD-10-CM-2023: Z42.1 Encounter for breast reconstruction following mastectomy

Z40-Z53	Encounters for other specific health care
	Info:	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
	Excl2.:	follow-up examination for medical surveillance after treatment (Z08-Z09)
Z42	Encounter for plastic and reconstructive surgery following medical procedure or healed injury
	Excl1.:	encounter for cosmetic plastic surgery (Z41.1) encounter for plastic surgery for treatment of current injury - code to relevent injury
Z42.1	Encounter for breast reconstruction following mastectomy
	Excl1.:	deformity and disproportion of reconstructed breast (N65.1-)
Z42.8	Encounter for other plastic and reconstructive surgery following medical procedure or healed injury

and

Encounter for plastic and reconstructive surgery following medical procedure or healed injury