30 codes
Questionable admission codes
Diagnoses not usually sufficient to justify an inpatient admission when reported as the principal diagnosis. Source: Medicare Code Editor (MCE) v44, effective October 1, 2026.
Chapter 4: Endocrine, nutritional and metabolic diseases
- E11.9Type 2 diabetes mellitus without complications
- E11.AType 2 diabetes mellitus without complications in remission
- E13.9Other specified diabetes mellitus without complications
- E66.09Other obesity due to excess calories
- E66.1Drug-induced obesity
- E66.811Obesity, class 1
- E66.812Obesity, class 2
- E66.89Other obesity not elsewhere classified
- E66.9Obesity, unspecified
Chapter 8: Diseases of the ear and mastoid process
Chapter 9: Diseases of the circulatory system
- I10Essential (primary) hypertension
- I44.4Left anterior fascicular block
- I44.5Left posterior fascicular block
- I44.60Unspecified fascicular block
- I44.69Other fascicular block
- I44.7Left bundle-branch block, unspecified
- I45.0Right fascicular block
- I45.10Unspecified right bundle-branch block
- I45.19Other right bundle-branch block
Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Chapter 21: Factors influencing health status and contact with health services
- Z21Asymptomatic human immunodeficiency virus [HIV] infection status
- Z45.010Encounter for checking and testing of cardiac pacemaker pulse generator [battery]
- Z45.018Encounter for adjustment and management of other part of cardiac pacemaker
- Z45.02Encounter for adjustment and management of automatic implantable cardiac defibrillator
- Z45.09Encounter for adjustment and management of other cardiac device