ICD-10-CM Section · Z40-Z53
Encounters for other specific health care
221 codes in this section
221
Total Codes
164
Billable
57
Header (Non-Billable)
13
Top-Level Codes
About Section Z40-Z53
Section Z40-Z53 (Z40-Z53) covers encounters for other specific health care. It sits within the Factors influencing health status and contact with health services chapter (Z00-Z99). This section contains 221 ICD-10-CM codes, 164 billable diagnoses you can submit on a claim, and 57 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in Z40-Z53
Grouped by 3-character root code. Click any code for full detail.
Z40
Encounter for prophylactic surgery
11 subcodes
| Z40.0 | Encounter for prophylactic surgery for risk factors related to malignant neoplasms | Header |
| Z40.00 | Encounter for prophylactic removal of unspecified organ | Billable |
| Z40.01 | Encounter for prophylactic removal of breast | Billable |
| Z40.02 | Encounter for prophylactic removal of ovary(s) | Billable |
| Z40.03 | Encounter for prophylactic removal of fallopian tube(s) | Billable |
| Z40.09 | Encounter for prophylactic removal of other organ | Billable |
| Z40.8 | Encounter for other prophylactic surgery | Header |
| Z40.81 | Encounter for prophylactic surgery for removal of ovary(s) for persons without known genetic/familial risk factors | Billable |
| Z40.82 | Encounter for prophylactic surgery for removal of fallopian tube(s) for persons without known genetic/familial risk factors | Billable |
| Z40.89 | Encounter for other prophylactic surgery | Billable |
| Z40.9 | Encounter for prophylactic surgery, unspecified | Billable |
Z41
Encounter for procedures for purposes other than remedying health state
5 subcodes
| Z41.1 | Encounter for cosmetic surgery | Billable |
| Z41.2 | Encounter for routine and ritual male circumcision | Billable |
| Z41.3 | Encounter for ear piercing | Billable |
| Z41.8 | Encounter for other procedures for purposes other than remedying health state | Billable |
| Z41.9 | Encounter for procedure for purposes other than remedying health state, unspecified | Billable |
Z42
Encounter for plastic and reconstructive surgery following medical procedure or healed injury
2 subcodes
| Z42.1 | Encounter for breast reconstruction following mastectomy | Billable |
| Z42.8 | Encounter for other plastic and reconstructive surgery following medical procedure or healed injury | Billable |
Z43
Encounter for attention to artificial openings
10 subcodes
| Z43.0 | Encounter for attention to tracheostomy | Billable |
| Z43.1 | Encounter for attention to gastrostomy | Billable |
| Z43.2 | Encounter for attention to ileostomy | Billable |
| Z43.3 | Encounter for attention to colostomy | Billable |
| Z43.4 | Encounter for attention to other artificial openings of digestive tract | Billable |
| Z43.5 | Encounter for attention to cystostomy | Billable |
| Z43.6 | Encounter for attention to other artificial openings of urinary tract | Billable |
| Z43.7 | Encounter for attention to artificial vagina | Billable |
| Z43.8 | Encounter for attention to other artificial openings | Billable |
| Z43.9 | Encounter for attention to unspecified artificial opening | Billable |
Z44
Encounter for fitting and adjustment of external prosthetic device
36 subcodes
| Z44.0 | Encounter for fitting and adjustment of artificial arm | Header |
| Z44.00 | Encounter for fitting and adjustment of unspecified artificial arm | Header |
| Z44.001 | Encounter for fitting and adjustment of unspecified right artificial arm | Billable |
| Z44.002 | Encounter for fitting and adjustment of unspecified left artificial arm | Billable |
| Z44.009 | Encounter for fitting and adjustment of unspecified artificial arm, unspecified arm | Billable |
| Z44.01 | Encounter for fitting and adjustment of complete artificial arm | Header |
| Z44.011 | Encounter for fitting and adjustment of complete right artificial arm | Billable |
| Z44.012 | Encounter for fitting and adjustment of complete left artificial arm | Billable |
| Z44.019 | Encounter for fitting and adjustment of complete artificial arm, unspecified arm | Billable |
| Z44.02 | Encounter for fitting and adjustment of partial artificial arm | Header |
| Z44.021 | Encounter for fitting and adjustment of partial artificial right arm | Billable |
| Z44.022 | Encounter for fitting and adjustment of partial artificial left arm | Billable |
| Z44.029 | Encounter for fitting and adjustment of partial artificial arm, unspecified arm | Billable |
| Z44.1 | Encounter for fitting and adjustment of artificial leg | Header |
| Z44.10 | Encounter for fitting and adjustment of unspecified artificial leg | Header |
| Z44.101 | Encounter for fitting and adjustment of unspecified right artificial leg | Billable |
| Z44.102 | Encounter for fitting and adjustment of unspecified left artificial leg | Billable |
| Z44.109 | Encounter for fitting and adjustment of unspecified artificial leg, unspecified leg | Billable |
| Z44.11 | Encounter for fitting and adjustment of complete artificial leg | Header |
| Z44.111 | Encounter for fitting and adjustment of complete right artificial leg | Billable |
| Z44.112 | Encounter for fitting and adjustment of complete left artificial leg | Billable |
| Z44.119 | Encounter for fitting and adjustment of complete artificial leg, unspecified leg | Billable |
| Z44.12 | Encounter for fitting and adjustment of partial artificial leg | Header |
| Z44.121 | Encounter for fitting and adjustment of partial artificial right leg | Billable |
| Z44.122 | Encounter for fitting and adjustment of partial artificial left leg | Billable |
| Z44.129 | Encounter for fitting and adjustment of partial artificial leg, unspecified leg | Billable |
| Z44.2 | Encounter for fitting and adjustment of artificial eye | Header |
| Z44.20 | Encounter for fitting and adjustment of artificial eye, unspecified | Billable |
| Z44.21 | Encounter for fitting and adjustment of artificial right eye | Billable |
| Z44.22 | Encounter for fitting and adjustment of artificial left eye | Billable |
| Z44.3 | Encounter for fitting and adjustment of external breast prosthesis | Header |
| Z44.30 | Encounter for fitting and adjustment of external breast prosthesis, unspecified breast | Billable |
| Z44.31 | Encounter for fitting and adjustment of external right breast prosthesis | Billable |
| Z44.32 | Encounter for fitting and adjustment of external left breast prosthesis | Billable |
| Z44.8 | Encounter for fitting and adjustment of other external prosthetic devices | Billable |
| Z44.9 | Encounter for fitting and adjustment of unspecified external prosthetic device | Billable |
Z45
Encounter for adjustment and management of implanted device
26 subcodes
| Z45.0 | Encounter for adjustment and management of cardiac device | Header |
| Z45.01 | Encounter for adjustment and management of cardiac pacemaker | Header |
| Z45.010 | Encounter for checking and testing of cardiac pacemaker pulse generator [battery] | Billable |
| Z45.018 | Encounter for adjustment and management of other part of cardiac pacemaker | Billable |
| Z45.02 | Encounter for adjustment and management of automatic implantable cardiac defibrillator | Billable |
| Z45.09 | Encounter for adjustment and management of other cardiac device | Billable |
| Z45.1 | Encounter for adjustment and management of infusion pump | Billable |
| Z45.2 | Encounter for adjustment and management of vascular access device | Billable |
| Z45.3 | Encounter for adjustment and management of implanted devices of the special senses | Header |
| Z45.31 | Encounter for adjustment and management of implanted visual substitution device | Billable |
| Z45.32 | Encounter for adjustment and management of implanted hearing device | Header |
| Z45.320 | Encounter for adjustment and management of bone conduction device | Billable |
| Z45.321 | Encounter for adjustment and management of cochlear device | Billable |
| Z45.328 | Encounter for adjustment and management of other implanted hearing device | Billable |
| Z45.4 | Encounter for adjustment and management of implanted nervous system device | Header |
| Z45.41 | Encounter for adjustment and management of cerebrospinal fluid drainage device | Billable |
| Z45.42 | Encounter for adjustment and management of neurostimulator | Billable |
| Z45.49 | Encounter for adjustment and management of other implanted nervous system device | Billable |
| Z45.8 | Encounter for adjustment and management of other implanted devices | Header |
| Z45.81 | Encounter for adjustment or removal of breast implant | Header |
| Z45.811 | Encounter for adjustment or removal of right breast implant | Billable |
| Z45.812 | Encounter for adjustment or removal of left breast implant | Billable |
| Z45.819 | Encounter for adjustment or removal of unspecified breast implant | Billable |
| Z45.82 | Encounter for adjustment or removal of myringotomy device (stent) (tube) | Billable |
| Z45.89 | Encounter for adjustment and management of other implanted devices | Billable |
| Z45.9 | Encounter for adjustment and management of unspecified implanted device | Billable |
Z46
Encounter for fitting and adjustment of other devices
14 subcodes
| Z46.0 | Encounter for fitting and adjustment of spectacles and contact lenses | Billable |
| Z46.1 | Encounter for fitting and adjustment of hearing aid | Billable |
| Z46.2 | Encounter for fitting and adjustment of other devices related to nervous system and special senses | Billable |
| Z46.3 | Encounter for fitting and adjustment of dental prosthetic device | Billable |
| Z46.4 | Encounter for fitting and adjustment of orthodontic device | Billable |
| Z46.5 | Encounter for fitting and adjustment of other gastrointestinal appliance and device | Header |
| Z46.51 | Encounter for fitting and adjustment of gastric lap band | Billable |
| Z46.59 | Encounter for fitting and adjustment of other gastrointestinal appliance and device | Billable |
| Z46.6 | Encounter for fitting and adjustment of urinary device | Billable |
| Z46.8 | Encounter for fitting and adjustment of other specified devices | Header |
| Z46.81 | Encounter for fitting and adjustment of insulin pump | Billable |
| Z46.82 | Encounter for fitting and adjustment of non-vascular catheter | Billable |
| Z46.89 | Encounter for fitting and adjustment of other specified devices | Billable |
| Z46.9 | Encounter for fitting and adjustment of unspecified device | Billable |
Z47
Orthopedic aftercare
10 subcodes
| Z47.1 | Aftercare following joint replacement surgery | Billable |
| Z47.2 | Encounter for removal of internal fixation device | Billable |
| Z47.3 | Aftercare following explantation of joint prosthesis | Header |
| Z47.31 | Aftercare following explantation of shoulder joint prosthesis | Billable |
| Z47.32 | Aftercare following explantation of hip joint prosthesis | Billable |
| Z47.33 | Aftercare following explantation of knee joint prosthesis | Billable |
| Z47.8 | Encounter for other orthopedic aftercare | Header |
| Z47.81 | Encounter for orthopedic aftercare following surgical amputation | Billable |
| Z47.82 | Encounter for orthopedic aftercare following scoliosis surgery | Billable |
| Z47.89 | Encounter for other orthopedic aftercare | Billable |
Z48
Encounter for other postprocedural aftercare
29 subcodes
| Z48.0 | Encounter for attention to dressings, sutures and drains | Header |
| Z48.00 | Encounter for change or removal of nonsurgical wound dressing | Billable |
| Z48.01 | Encounter for change or removal of surgical wound dressing | Billable |
| Z48.02 | Encounter for removal of sutures | Billable |
| Z48.03 | Encounter for change or removal of drains | Billable |
| Z48.1 | Encounter for planned postprocedural wound closure | Billable |
| Z48.2 | Encounter for aftercare following organ transplant | Header |
| Z48.21 | Encounter for aftercare following heart transplant | Billable |
| Z48.22 | Encounter for aftercare following kidney transplant | Billable |
| Z48.23 | Encounter for aftercare following liver transplant | Billable |
| Z48.24 | Encounter for aftercare following lung transplant | Billable |
| Z48.28 | Encounter for aftercare following multiple organ transplant | Header |
| Z48.280 | Encounter for aftercare following heart-lung transplant | Billable |
| Z48.288 | Encounter for aftercare following multiple organ transplant | Billable |
| Z48.29 | Encounter for aftercare following other organ transplant | Header |
| Z48.290 | Encounter for aftercare following bone marrow transplant | Billable |
| Z48.298 | Encounter for aftercare following other organ transplant | Billable |
| Z48.3 | Aftercare following surgery for neoplasm | Billable |
| Z48.8 | Encounter for other specified postprocedural aftercare | Header |
| Z48.81 | Encounter for surgical aftercare following surgery on specified body systems | Header |
| Z48.810 | Encounter for surgical aftercare following surgery on the sense organs | Billable |
| Z48.811 | Encounter for surgical aftercare following surgery on the nervous system | Billable |
| Z48.812 | Encounter for surgical aftercare following surgery on the circulatory system | Billable |
| Z48.813 | Encounter for surgical aftercare following surgery on the respiratory system | Billable |
| Z48.814 | Encounter for surgical aftercare following surgery on the teeth or oral cavity | Billable |
| Z48.815 | Encounter for surgical aftercare following surgery on the digestive system | Billable |
| Z48.816 | Encounter for surgical aftercare following surgery on the genitourinary system | Billable |
| Z48.817 | Encounter for surgical aftercare following surgery on the skin and subcutaneous tissue | Billable |
| Z48.89 | Encounter for other specified surgical aftercare | Billable |
Z49
Encounter for care involving renal dialysis
6 subcodes
| Z49.0 | Preparatory care for renal dialysis | Header |
| Z49.01 | Encounter for fitting and adjustment of extracorporeal dialysis catheter | Billable |
| Z49.02 | Encounter for fitting and adjustment of peritoneal dialysis catheter | Billable |
| Z49.3 | Encounter for adequacy testing for dialysis | Header |
| Z49.31 | Encounter for adequacy testing for hemodialysis | Billable |
| Z49.32 | Encounter for adequacy testing for peritoneal dialysis | Billable |
Z51
Encounter for other aftercare and medical care
10 subcodes
| Z51.0 | Encounter for antineoplastic radiation therapy | Billable |
| Z51.1 | Encounter for antineoplastic chemotherapy and immunotherapy | Header |
| Z51.11 | Encounter for antineoplastic chemotherapy | Billable |
| Z51.12 | Encounter for antineoplastic immunotherapy | Billable |
| Z51.5 | Encounter for palliative care | Billable |
| Z51.6 | Encounter for desensitization to allergens | Billable |
| Z51.8 | Encounter for other specified aftercare | Header |
| Z51.81 | Encounter for therapeutic drug level monitoring | Billable |
| Z51.89 | Encounter for other specified aftercare | Billable |
| Z51.A | Encounter for sepsis aftercare | Billable |
Z52
Donors of organs and tissues
34 subcodes
| Z52.0 | Blood donor | Header |
| Z52.00 | Unspecified blood donor | Header |
| Z52.000 | Unspecified donor, whole blood | Billable |
| Z52.001 | Unspecified donor, stem cells | Billable |
| Z52.008 | Unspecified donor, other blood | Billable |
| Z52.01 | Autologous blood donor | Header |
| Z52.010 | Autologous donor, whole blood | Billable |
| Z52.011 | Autologous donor, stem cells | Billable |
| Z52.018 | Autologous donor, other blood | Billable |
| Z52.09 | Other blood donor | Header |
| Z52.090 | Other blood donor, whole blood | Billable |
| Z52.091 | Other blood donor, stem cells | Billable |
| Z52.098 | Other blood donor, other blood | Billable |
| Z52.1 | Skin donor | Header |
| Z52.10 | Skin donor, unspecified | Billable |
| Z52.11 | Skin donor, autologous | Billable |
| Z52.19 | Skin donor, other | Billable |
| Z52.2 | Bone donor | Header |
| Z52.20 | Bone donor, unspecified | Billable |
| Z52.21 | Bone donor, autologous | Billable |
| Z52.29 | Bone donor, other | Billable |
| Z52.3 | Bone marrow donor | Billable |
| Z52.4 | Kidney donor | Billable |
| Z52.5 | Cornea donor | Billable |
| Z52.6 | Liver donor | Billable |
| Z52.8 | Donor of other specified organs or tissues | Header |
| Z52.81 | Egg (Oocyte) donor | Header |
| Z52.810 | Egg (Oocyte) donor under age 35, anonymous recipient | Billable |
| Z52.811 | Egg (Oocyte) donor under age 35, designated recipient | Billable |
| Z52.812 | Egg (Oocyte) donor age 35 and over, anonymous recipient | Billable |
| Z52.813 | Egg (Oocyte) donor age 35 and over, designated recipient | Billable |
| Z52.819 | Egg (Oocyte) donor, unspecified | Billable |
| Z52.89 | Donor of other specified organs or tissues | Billable |
| Z52.9 | Donor of unspecified organ or tissue | Billable |
Z53
Persons encountering health services for specific procedures and treatment, not carried out
15 subcodes
| Z53.0 | Procedure and treatment not carried out because of contraindication | Header |
| Z53.01 | Procedure and treatment not carried out due to patient smoking | Billable |
| Z53.09 | Procedure and treatment not carried out because of other contraindication | Billable |
| Z53.1 | Procedure and treatment not carried out because of patient's decision for reasons of belief and group pressure | Billable |
| Z53.2 | Procedure and treatment not carried out because of patient's decision for other and unspecified reasons | Header |
| Z53.20 | Procedure and treatment not carried out because of patient's decision for unspecified reasons | Billable |
| Z53.21 | Procedure and treatment not carried out due to patient leaving prior to being seen by health care provider | Billable |
| Z53.29 | Procedure and treatment not carried out because of patient's decision for other reasons | Billable |
| Z53.3 | Procedure converted to open procedure | Header |
| Z53.31 | Laparoscopic surgical procedure converted to open procedure | Billable |
| Z53.32 | Thoracoscopic surgical procedure converted to open procedure | Billable |
| Z53.33 | Arthroscopic surgical procedure converted to open procedure | Billable |
| Z53.39 | Other specified procedure converted to open procedure | Billable |
| Z53.8 | Procedure and treatment not carried out for other reasons | Billable |
| Z53.9 | Procedure and treatment not carried out, unspecified reason | Billable |
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Verified against the CMS 2026 code set on May 31, 2026.
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