What Diagnosis Code Do I Use for a Fern Test?

Ob-Gyn Coding Tip: Scan for leukorrhea signs when fluid is present. Question: My physician performs a fern test on a patient, trying to rule out rupture of membranes. What diagnosis code applies? Answer: If the test result proves positive, then you should report 658.13 (Premature rupture of membranes with antepartum condition or complications). Otherwise, use V89.01 [...] Related articles:

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Can a Sleep Study Code Describe an Awake Test?

Question: A sleep study was ordered for a patient diagnosed with hypersomnolence. The neurologistincluded a multiple wake test in the sleep study. What CPT code should I use for the multiple wake test? Answer: You should use 95805 (Multiple sleep latency or maintenance of wakefulness testing, recording, analysis and interpretation of physiological measurements of sleep during [...] Related articles:

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What’s the Correct Diagnosis Code for a Urine Drug Test?

Question: What is the proper ICD-9 code when the lab performs a urine drug test? Answer: ICD-9 does not provide one specific code for a urine drug test. The correct diagnosis code to report when billing for the lab test depends on the signs, symptoms, patient condition, or other reason for the test, such as screening. [...] Related articles:

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