Uncinaria americana infestation 126.1

Uncinariasis (see also Ancylostomiasis) 126.9

Unconscious, unconsciousness 780.09

Underdevelopment - see also Undeveloped sexual 259.0

Underfill, endodontic 526.63

Undernourishment 269.9

Undernutrition 269.9

Under observation - see Observation

Underweight 783.22

Underwood's disease (sclerema neonatorum) 778.1

Undescended - see also Malposition, congenital

Undetermined diagnosis or cause 799.9

Undeveloped, undevelopment - see also Hypoplasia

Undiagnosed (disease) 799.9

Undulant fever (see also Brucellosis) 023.9

Unemployment, anxiety concerning V62.0

Unequal leg (acquired) (length) 736.81

Unerupted teeth, tooth 520.6

Unextracted dental root 525.3

Unguis incarnatus 703.0

Unicornis uterus 752.3

Unicorporeus uterus 752.3

Uniformis uterus 752.3

Unilateral - see also condition

Unilateralis uterus 752.3

Unilocular heart 745.8

Uninhibited bladder 596.54

Union, abnormal - see also Fusion

Universal

Unknown

Unna's disease (seborrheic dermatitis) 690.10

Unresponsiveness, adrenocorticotropin (ACTH) 255.41

Unsatisfactory

Unsoundness of mind (see also Psychosis) 298.9

Unspecified cause of death 799.9

Unstable

Untruthfulness, child problem (see also Disturbance, conduct) 312.0

Unverricht (-Lundborg) disease, syndrome, or epilepsy 333.2

Unverricht-Wagner syndrome (dermatomyositis) 710.3

Upper respiratory - see condition

Upset

Urachus - see also condition

Uratic arthritis 274.0

Urbach's lipoid proteinosis 272.8

Urbach-Oppenheim disease or syndrome (necrobiosis lipoidica diabeticorum) 250.8 [709.3]

Urbach-Wiethe disease or syndrome (lipoid proteinosis) 272.8

Urban yellow fever 060.1

Urea, blood, high - see Uremia

Uremia, uremic (absorption) (amaurosis) (amblyopia) (aphasia) (apoplexy) (coma) (delirium) (dementia) (dropsy) (dyspnea) (fever) (intoxication) (mania) (paralysis) (poisoning) (toxemia) (vomiting) 586

Ureter, ureteral - see condition