Medical Abbreviation A/P: Context-Dependent Meanings and Disambiguation

"A/P" is a context-dependent medical abbreviation with multiple distinct meanings. Always clarify from clinical context.

Common Meanings

Context	Meaning	Example
OB/GYN	Antenatal / Postpartum (Care)	"A/P visit scheduled"
Anatomy / Radiology / Surgery	Anterior / Posterior	"A/P chest X-ray"; "A/P diameter"; "A/P approach"
Cardiology / Critical Care	Arterial Pressure	"A/P line" = arterial line; "A/P waveform"
Pharmacology / Orders	Acetaminophen / Paracetamol (APAP)	"A/P 650 mg q6h PRN" (non-standard; use APAP)
Nursing Assessment	Assessment / Plan	SOAP note A/P section
Pathology	Autopsy Permission / Anatomic Pathology	"A/P consultation requested"
Emergency / Triage	Alert / Pain (Pediatric Assessment Triangle)	"A/P/T: Alert, crying"

Disambiguation Rules

1. Identify clinical domain (progress note, order, radiology report, handoff).
2. Check institutional abbreviation list (The Joint Commission "Do Not Use" list prohibits ambiguous abbreviations in official records).
3. When in doubt, spell out.

Best Practice

Avoid "A/P" in formal documentation. Use: "ANC/PNC," "AP/PA," "ART line," "APAP," "Assessment/Plan," "Autopsy."