AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2019 Issue 4; New/Revised ICD-10-CM Codes
Z Code Update
New Z codes were created as noted below. Status There are two new status codes as noted below. Z22.7, Latent tuberculosis—This code will allow differentiating patients that have been infected with the Mycobacterium tuberculosis bacterium but do not have active tuberculosis (TB) disease. Z96.82, Presence of neurostimulator—This code includes the presence of neurostimulators for different sites (e.g., brain, gastric, peripheral nerve, sacral nerve, spinal cord, or vagus nerve). In addition, the note at category Z68, Body mass index [BMI], has revised the age ranges for adult and pediatric BMI codes to resolve an overlap...
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Article Overview
This update reviews new and revised ICD-10-CM Z codes across several common documentation categories, including status, personal history, screening, counseling, and routine or administrative examinations. It is intended for coding professionals, CDI teams, and billing staff who need to understand the scope of the changes and where the affected code families fit within Z code reporting. The article also notes a BMI category age-range revision that affects how those codes are organized in the classification.
Why This Topic Matters
Z code updates can affect how encounters, history, and screening-related information are captured in ICD-10-CM. Understanding the scope of these changes helps coders and documentation staff stay aligned with current classification updates.
Article Sections
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Status
Covers newly added status-related Z codes and the general circumstances they address.
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History (of)
Summarizes newly created personal history Z codes and the affected history categories within ICD-10-CM.
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Screening
Describes a new screening-related Z code used for latent tuberculosis infection testing encounters.
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Counseling
Introduces a new counseling-related Z code for travel-associated health counseling encounters.
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Routine and Administrative Examinations
Reviews new eye and vision examination codes used after failed vision screening and notes their place in routine or administrative exam reporting.
What You Will Learn
- Which ICD-10-CM Z code categories were updated in this article
- How the update is organized across status, history, screening, counseling, and examination topics
- What broad types of encounters are affected by the new and revised Z code entries
- Which documentation areas may be impacted by the BMI category age-range revision
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation integrity specialists
- Revenue cycle staff
- Healthcare compliance staff
Codes Discussed
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