Z05.6 ICD-10-CM Code: Observation and evaluation of newborn for suspected genitourinary condition ruled out
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FY 2026 Apr update / Factors influencing health status and contact with health services (Z00-Z99) / Persons encountering health services for examinations (Z00-Z13)
Z05.6
Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidanceObservation and evaluation of newborn for suspected genitourinary condition ruled out
A newborn is observed and evaluated for a suspected urinary or reproductive system condition, but testing rules out any genitourinary problems.
CMS-HCC V28
00
RAF 0
CMS-HCC V24
00
RAF 0
ACA/HHS
00
RAF 0
ESRD/PACE
00
RAF 0
RXHCC
00
RAF 0
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Code Book Path
Inclusion Terms
Official- This category is to be used for newborns, within the neonatal period (the first 28 days of life), who are suspected of having an abnormal condition, but without signs or symptoms, and which, after examination and observation, is ruled out.
Excludes 2
OfficialICD-10-CM does not list Excludes 2 notes for Z05.6 in this effective period.
Related Child Codes
Includes
OfficialICD-10-CM does not list Includes notes for Z05.6 in this effective period.
Excludes 1
OfficialICD-10-CM does not list Excludes 1 notes for Z05.6 in this effective period.
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for Z05.6 in this effective period.
Use Additional
OfficialICD-10-CM does not list Use Additional Code instructions for Z05.6 in this effective period.
Code Also
OfficialICD-10-CM does not list Code Also instructions for Z05.6 in this effective period.
Buddy Documentation Tip
Last updated: FY2026 ICD-10-CM Apr update, Apr 1, 2026 through Sep 30, 2026. CMS-HCC V28 is 100% phased in for payment year 2026.
Is Z05.6 an HCC code?
No. Z05.6 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
Z05.6 is the ICD-10-CM diagnosis code for observation and evaluation of newborn for suspected genitourinary condition ruled out. A newborn is observed and evaluated for a suspected urinary or reproductive system condition, but testing rules out any genitourinary problems. Z05.6 sits in the ICD-10-CM chapter for factors influencing health status and contact with health services (z00-z99), within the section covering persons encountering health services for examinations (z00-z13).
Z05.6 is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.
Apply this code when genitourinary abnormalities were suspected but ultrasound or other testing confirmed normal anatomy and function.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for Z05.6 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •Apply this code when genitourinary abnormalities were suspected but ultrasound or other testing confirmed normal anatomy and function
- •Document the specific genitourinary concern that was evaluated