| pa | through the anus [Lat. per anum]; yearly [Lat. per annum] |
|---|---|
| PMPM, pmpm | per member per month |
| PMPY | per member per year |
| ppm | parts per million; pulses per minute |
| PR | by way of the rectum [Lat. per rectum]; far point [of accommodation] [Lat. punctum remotum]; palindr... |