AHA Coding Clinic® for ICD-9 - 2012 Quarter 1; Ask the Editor
Encounter for Non-Stress Test
A patient was sent to the outpatient department of labor and delivery for a non-stress test. The ordering diagnosis is documented as “non-reactive non-stress test (NST),” with no other signs or symptoms documented. The hospital-performed non-stress test was reactive. What is the correct code assignment for the encounter? ...
Subscribe or sign in to view the full article.
Article Overview
This premium coding article explains how to approach an outpatient labor-and-delivery encounter for a non-stress test when the stated reason for the test is incomplete or unclear. It focuses on the need to clarify the indication, the general use of an unspecified examination code if no additional information is available, and the possible need for an additional pregnancy-status diagnosis category. The guidance is intended for coders, billers, and clinical documentation staff working with obstetric encounters.
Why This Topic Matters
Accurate coding for obstetric testing depends on having a clear documented indication and the correct pregnancy-related context. This article helps readers understand what kind of documentation may be needed before assigning the encounter code and why pregnancy status coding can also matter.
Article Sections
-
Coding approach for a non-stress test encounter
Discusses an outpatient labor-and-delivery encounter and the general documentation problem created when the indication for testing is limited or unclear. It also addresses the role of pregnancy-related context in the encounter coding.
What You Will Learn
- How this type of outpatient obstetric encounter is framed for coding review
- Why the documented indication for testing matters
- When additional pregnancy-related coding context may be relevant
- How incomplete documentation affects the coding workflow
Who Should Read This
- Medical coders
- Medical billers
- Obstetric documentation staff
- Revenue cycle professionals
Codes Discussed
Code Ranges Discussed
Subscribe or sign in to view the full article.

Quick, Current, Complete - www.findacode.com