The 1997 E/M guidelines recognize the following organ systems:
- Constitutional
- Eyes
- Ears, nose, mouth and throat
- Neck
- Respiratory
- Cardiovascular
- Chest (breasts)
- Gastrointestinal (abdomen)
- Genitourinary (male)
- Genitourinary (female)
- Lymphatic
- Musculoskeletal
- Skin
- Neurologic
- Psychiatric
1995 E/M guidelines recognize the following body areas and organ systems:
Body Areas
- Head, including the face
- Neck
- Chest, including breasts and axillae
- Abdomen
- Genitalia, groin, buttocks
- Back, including spine
- Each extremity
Organ Systems
- Constitutional (e.g., vital signs, general appearance)
- Eyes
- Ears, nose, mouth and throat
- Cardiovascular
- Respiratory
- Gastrointestinal
- Genitourinary
- Musculoskeletal
- Skin
- Neurologic
- Psychiatric
- Hematologic/lymphatic/immunologic
Using the 1995 E/M guidelines, the various levels of physical exam are defined as follows:
Problem Focused - a limited examination of the affected body are or organ system
Expanded Problem Focused - a limited examination of the affected body area or organ system and other symptomatic or related organ systems
Detailed - an extended examination of the affected body area(s) and other symptomatic or related organ system(s)
Comprehensive - a general multi-system examination or complete examination of a single organ system
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