Examples of Data Elements for a Minimum Data Set for Human Immunodeficiency Virus Care
| Data class | Data Element | Format and Units | Range of Values |
| Demographics | Birth date | DD/MM/YYYY | < 01/01/1900 to today's date |
| Birthplace: | |||
| village/city | Text | Variable | |
| province | Text | From list | |
| country | Text | From list | |
| Sex | Coded | Male, female | |
| Tribe | Text | From list | |
| History | HIV-related diagnoses | Coded: ICD-10 | B20–B24, F02.4, R75, Z21 |
| Comorbid diagnoses | Coded: ICD-10 | From ICD-10 codebook | |
| Medications | Coded: NDC, other system | From available drug list | |
| Treatment adherence | Numeric: ordinal scale | Likert scale (excellent to poor) | |
| Semiquantitative | Ranges: % of prescribed doses taken | ||
| Numeric: ordinal scale | Depends on scale (e.g., Morisky)* | ||
| Numeric: pill count | % of prescribed doses taken | ||
| Alcohol use | Coded | Use: yes, no; abuse: yes, no | |
| Numeric: drinks/day | 0 to >10 | ||
| Numeric: scale score | Depends on scale (e.g., AUDIT)† | ||
| WHO class | Numeric: ordinal scale | 1, 2, 3, or 4. | |
| Physical examination | Blood pressure, systolic | Numeric: mm Hg | 30 to >300 |
| Blood pressure, diastolic | Numeric: mm Hg | 30 to >300 | |
| Heart rate | Numeric: beats/minute | 0 to >200 | |
| Weight | Numeric: Kg | 0.5 to >300 | |
| Temperature | Numeric: °C | 30–44 | |
| Various physical findings | Coded: LOINC, other system | From a local data dictionary‡ | |
| Laboratory: HIV specific | HIV antibody | Coded | Positive, Negative |
| CD4 cell count | Numeric: cells/mm3 | 0 to >1,000 | |
| CD8 cell count | Numeric: cells/mm3 | 0 to >1,000 | |
| HIV viral load | Numeric: Copies/mm3 | 0 to >1,000,000 | |
| Laboratory: HIV monitoring | Alanine aminotransferase | Numeric: IU/L | 0 to >1,000 |
| Albumin, serum | Numeric: g/L | 0–10 | |
| Hemoglobin, blood | Numeric: g/L | 0–25 | |
| Leukocytes, blood | Numeric: cells/mm3 | 0 to >100,000 | |
| Platelets, blood | Numeric: count/mm3 | 0 to >1,000,000 | |
| Lymphocytes | Numeric: count/mm3 | 0 to >10,000 | |
| Creatinine | Numeric: mg/dL | 0.1 to >25 | |
| Imaging | Chest x-ray findings | Coded: LOINC, other system | From a local data dictionary |
| EKG findings | Coded: LOINC, other system | From a local data dictionary |









