# Nevada — State Opioid Initial Prescribing Limits

For Nevada, initial supply days is 14 days; applies to is Initial prescriptions of Schedule II, III or IV controlled substances for acute pain; exception provision is Unless the practitioner determines that the prescription is medically necessary; mme limit is 90 morphine milligram equivalents per day for opioid-naive patients (no opioid prescription in the previous 19 days); citation is 639.2391, recorded from its source on 2026-08-18.

- **state:** Nevada _(our reading, not quoted from the source)_
- **initial supply days:** 14 days _(verified: appears in the quote below)_
- **applies to:** Initial prescriptions of Schedule II, III or IV controlled substances for acute pain _(our reading, not quoted from the source)_
- **exception provision:** Unless the practitioner determines that the prescription is medically necessary _(verified: appears in the quote below)_
- **mme limit:** 90 morphine milligram equivalents per day for opioid-naive patients (no opioid prescription in the previous 19 days) _(our reading, not quoted from the source)_
- **citation:** 639.2391 _(verified: appears in the quote below)_

## What the source says

> Unless the practitioner determines that the prescription is medically necessary, a practitioner, other than a veterinarian, shall not issue an initial prescription of a controlled substance listed in schedule II, III or IV for the treatment of acute pain that prescribes: ����� (a) An amount of the controlled substance that is intended to be used for more than 14 days; and ����� (b) If the controlled substance is an opioid and a prescription for an opioid has never been issued to the patient or the most recent prescription issued to the patient for an opioid was issued more than 19 days before the date of the initial prescription for the treatment of acute pain, a dose of the controlled substance that exceeds 90 morphine milligram equivalents per day.

## Source

- https://www.leg.state.nv.us/NRS/NRS-639.html

Last verified: 2026-08-18. Review by: 2027-08-18.
Part of [State Opioid Initial Prescribing Limits](https://referencesource.org/state-opioid-prescribing-limits/).