Suspected Zika? There’s a Code for That

Suspected Zika? There’s a Code for That

In the inpatient setting (but not the outpatient setting), you typically may report a diagnosis documented by the provider as “suspected,” “rule out,” “probable,” “possible,” etc. This is generally not allowed in the outpatient setting.

The 2019 ICD-10-CM Official Guidelines for Coding and Reporting (18.C.1.f) instruct:

Code only a confirmed diagnosis of Zika virus (A92.5, Zika virus disease) as documented by the provider. This is an exception to the hospital inpatient guideline Section II, H.  In this context, “confirmation” does not require documentation of the type of test performed; the physician’s diagnostic statement that the condition is confirmed is sufficient. This code should be assigned regardless of the stated mode of transmission.

The guideline tells us that if the provider documents “suspected,” “possible,” or “probable” Zika, do not assign A92.5. Instead, assign a code(s) that explains the reason for the encounter (e.g., fever, rash, joint pain, etc.) or Z20.821 Contact with and (suspected) exposure to Zika virus.

Also read:

FDA Authorizes Emergency Use Test to Detect Zika

Zika Virus Outbreak: Keep Calm, Treat Patients, and Code

Infographic: Coding for Zika Virus

John Verhovshek

John Verhovshek

John Verhovshek, MA, CPC, is Managing Editor at AAPC. He has covered medical coding and billing, healthcare policy, and the business of medicine since 1999. He is an alumnus of York College of Pennsylvania and Clemson University, and a member of the Asheville-Hendersonville AAPC Local Chapter.
John Verhovshek

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John Verhovshek, MA, CPC, is Managing Editor at AAPC. He has covered medical coding and billing, healthcare policy, and the business of medicine since 1999. He is an alumnus of York College of Pennsylvania and Clemson University, and a member of the Asheville-Hendersonville AAPC Local Chapter.

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