CNS Advanced Practice

Missouri Clinical Nurse Specialist License Requirements

Complete guide to becoming a Clinical Nurse Specialist in Missouri

Processing Time

4-8 weeks

Initial Cost

$150

Renewal Period

2 years

Practice Authority

reduced

Official source: licensing in Missouri is administered by the Missouri State Board of Nursing. This guide summarizes the board's requirements — always confirm details there before applying. Already licensed? Look up a nursing license in Missouri.

Apply on Official Site

Reduced Practice

Reduced practice: CNS (an APRN under RSMo 335.016) requires a written collaborative practice arrangement with a physician to prescribe and provide treatment (RSMo 334.104).

Prescriptive Authority: Collaborative Practice Agreement required; Schedule III-V only

1 Education Requirements

Degree Required

Master of Science in Nursing (MSN) or Doctor of Nursing Practice (DNP)

Program Requirements

Complete accredited Clinical Nurse Specialist program
Hold active RN license in the state
Clinical hours as specified by program

2 National Certification

Certification Body

ANCC or AACN

Required

Yes

American Nurses Credentialing Center or American Association of Critical-Care Nurses

3 Fees

Initial Licensure

Application Fee	$150
Total	$150

Renewal

Renewal Fee (every 2 years)

Prerequisites

To become a Clinical Nurse Specialist in Missouri, you must first hold an active RN license. Missouri is a member of the Nurse Licensure Compact (NLC), so you may hold a multistate RN license.

RN Requirements View Missouri RN Requirements

Missouri CNS License FAQs

How much does a CNS license cost in Missouri?

Expect about $150 in total initial CNS license costs in Missouri, including a $150 application fee. Fees can change, so confirm current amounts with the Missouri State Board of Nursing.

Does Missouri require continuing education for CNS renewal?

No. Missouri does not require continuing education hours to renew a CNS license. The renewal fee is $85.

How long does it take to get a CNS license in Missouri?

Most complete applications are processed in about 4 to 8 weeks, though background checks and application volume can extend the timeline.

Who issues CNS licenses in Missouri?

The Missouri State Board of Nursing handles CNS license applications, renewals, and verifications. You can reach the board at 573-751-0681.