| Z51 | Encounter for other aftercare and medical care |
| Z51.0 | Encounter for antineoplastic radiation therapy |
| Z51.1 | Encounter for antineoplastic chemotherapy and immunotherapy |
| Z51.11 | Encounter for antineoplastic chemotherapy |
| Z51.12 | Encounter for antineoplastic immunotherapy |
| Z51.5 | Encounter for palliative care |
| Z51.6 | Encounter for desensitization to allergens |
| Z51.8 | Encounter for other specified aftercare |
| Z51.81 | Encounter for therapeutic drug level monitoring |
| Z51.89 | Encounter for other specified aftercare |
| Z52 | Donors of organs and tissues |
| Z52.0 | Blood donor |
| Z52.00 | Unspecified blood donor |
| Z52.000 | Unspecified donor, whole blood |
| Z52.001 | Unspecified donor, stem cells |
| Z52.008 | Unspecified donor, other blood |
| Z52.01 | Autologous blood donor |
| Z52.010 | Autologous donor, whole blood |
| Z52.011 | Autologous donor, stem cells |
| Z52.018 | Autologous donor, other blood |
| Z52.09 | Other blood donor |
| Z52.090 | Other blood donor, whole blood |
| Z52.091 | Other blood donor, stem cells |
| Z52.098 | Other blood donor, other blood |
| Z52.1 | Skin donor |
| Z52.10 | Skin donor, unspecified |
| Z52.11 | Skin donor, autologous |
| Z52.19 | Skin donor, other |
| Z52.2 | Bone donor |
| Z52.20 | Bone donor, unspecified |
| Z52.21 | Bone donor, autologous |
| Z52.29 | Bone donor, other |
| Z52.3 | Bone marrow donor |
| Z52.4 | Kidney donor |
| Z52.5 | Cornea donor |
| Z52.6 | Liver donor |
| Z52.8 | Donor of other specified organs or tissues |
| Z52.81 | Egg (Oocyte) donor |
| Z52.810 | Egg (Oocyte) donor under age 35, anonymous recipient |
| Z52.811 | Egg (Oocyte) donor under age 35, designated recipient |
| Z52.812 | Egg (Oocyte) donor age 35 and over, anonymous recipient |
| Z52.813 | Egg (Oocyte) donor age 35 and over, designated recipient |
| Z52.819 | Egg (Oocyte) donor, unspecified |
| Z52.89 | Donor of other specified organs or tissues |
| Z52.9 | Donor of unspecified organ or tissue |
| Z53 | Persons encountering health services for specific procedures and treatment, not carried out |
| Z53.0 | Procedure and treatment not carried out because of contraindication |
| Z53.01 | Procedure and treatment not carried out due to patient smoking |
| Z53.09 | Procedure and treatment not carried out because of other contraindication |
| Z53.1 | Procedure and treatment not carried out because of patient's decision for reasons of belief and group pressure |
| Z53.2 | Procedure and treatment not carried out because of patient's decision for other and unspecified reasons |
| Z53.20 | Procedure and treatment not carried out because of patient's decision for unspecified reasons |
| Z53.21 | Procedure and treatment not carried out due to patient leaving prior to being seen by health care provider |
| Z53.29 | Procedure and treatment not carried out because of patient's decision for other reasons |
| Z53.3 | Procedure converted to open procedure |
| Z53.31 | Laparoscopic surgical procedure converted to open procedure |
| Z53.32 | Thoracoscopic surgical procedure converted to open procedure |
| Z53.33 | Arthroscopic surgical procedure converted to open procedure |
| Z53.39 | Other specified procedure converted to open procedure |
| Z53.8 | Procedure and treatment not carried out for other reasons |
| Z53.9 | Procedure and treatment not carried out, unspecified reason |
| Z55 | Problems related to education and literacy |
| Z55.0 | Illiteracy and low-level literacy |
| Z55.1 | Schooling unavailable and unattainable |
| Z55.2 | Failed school examinations |
| Z55.3 | Underachievement in school |
| Z55.4 | Educational maladjustment and discord with teachers and classmates |
| Z55.5 | Less than a high school diploma |
| Z55.6 | Problems related to health literacy |
| Z55.8 | Other problems related to education and literacy |
| Z55.9 | Problems related to education and literacy, unspecified |
| Z56 | Problems related to employment and unemployment |
| Z56.0 | Unemployment, unspecified |
| Z56.1 | Change of job |
| Z56.2 | Threat of job loss |
| Z56.3 | Stressful work schedule |
| Z56.4 | Discord with boss and workmates |
| Z56.5 | Uncongenial work environment |
| Z56.6 | Other physical and mental strain related to work |
| Z56.8 | Other problems related to employment |
| Z56.81 | Sexual harassment on the job |
| Z56.82 | Military deployment status |
| Z56.89 | Other problems related to employment |
| Z56.9 | Unspecified problems related to employment |
| Z57 | Occupational exposure to risk factors |
| Z57.0 | Occupational exposure to noise |
| Z57.1 | Occupational exposure to radiation |
| Z57.2 | Occupational exposure to dust |
| Z57.3 | Occupational exposure to other air contaminants |
| Z57.31 | Occupational exposure to environmental tobacco smoke |
| Z57.39 | Occupational exposure to other air contaminants |
| Z57.4 | Occupational exposure to toxic agents in agriculture |
| Z57.5 | Occupational exposure to toxic agents in other industries |
| Z57.6 | Occupational exposure to extreme temperature |
| Z57.7 | Occupational exposure to vibration |
| Z57.8 | Occupational exposure to other risk factors |
| Z57.9 | Occupational exposure to unspecified risk factor |
| Z58 | Problems related to physical environment |
| Z58.6 | Inadequate drinking-water supply |
| Z58.8 | Other problems related to physical environment |
| Z58.81 | Basic services unavailable in physical environment |
| Z58.89 | Other problems related to physical environment |
| Z59 | Problems related to housing and economic circumstances |
| Z59.0 | Homelessness |
| Z59.00 | Homelessness unspecified |
| Z59.01 | Sheltered homelessness |
| Z59.02 | Unsheltered homelessness |
| Z59.1 | Inadequate housing |
| Z59.10 | Inadequate housing, unspecified |
| Z59.11 | Inadequate housing environmental temperature |
| Z59.12 | Inadequate housing utilities |
| Z59.19 | Other inadequate housing |
| Z59.2 | Discord with neighbors, lodgers and landlord |
| Z59.3 | Problems related to living in residential institution |
| Z59.4 | Lack of adequate food |
| Z59.41 | Food insecurity |
| Z59.48 | Other specified lack of adequate food |
| Z59.5 | Extreme poverty |
| Z59.6 | Low income |
| Z59.7 | Insufficient social insurance and welfare support |
| Z59.8 | Other problems related to housing and economic circumstances |
| Z59.81 | Housing instability, housed |
| Z59.811 | Housing instability, housed, with risk of homelessness |
| Z59.812 | Housing instability, housed, homelessness in past 12 months |
| Z59.819 | Housing instability, housed unspecified |
| Z59.82 | Transportation insecurity |
| Z59.86 | Financial insecurity |
| Z59.87 | Material hardship due to limited financial resources, not elsewhere classified |
| Z59.89 | Other problems related to housing and economic circumstances |
| Z59.9 | Problem related to housing and economic circumstances, unspecified |