- Prediabetes, prediabetic 790.29
- Predislocation status of hip, at birth (see also Subluxation, congenital, hip) 754.32
- Preeruptive color change, teeth, tooth 520.8
- Preexcitation 426.7
- Preglaucoma 365.00
- Pregnancy (single) (uterine) (without sickness) V22.2
- Pregnant uterus - see condition
- Preiser's disease (osteoporosis) 733.09
- Prekwashiorkor 260
- Preleukemia 238.7
- Preluxation of hip, congenital (see also Subluxation, congenital, hip) 754.32
- Premature - see also condition
- Prematurity NEC 765.1
- Premenstrual syndrome 625.4
- Premenstrual tension 625.4
- Premolarization, cuspids 520.2
- Premyeloma 273.1
- Prenatal
- Prepartum - see condition
- Preponderance, left or right ventricular 429.3
- Prepuce - see condition
- Presbycardia 797
