Z34.91
✓ Billable
Encounter for supervision of normal pregnancy, unspecified, first trimester
ICD-10-CM · FY2026 · Factors Influencing Health Status
Code
Z34.91
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Factors Influencing Health Status
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code Z34.91?
ICD-10-CM code Z34.91 represents Encounter for supervision of normal pregnancy, unspecified, first trimester. It is a billable diagnosis code in the Factors Influencing Health Status chapter, effective October 1, 2025 – September 30, 2026.
Is Z34.91 billable?
Yes. Z34.91 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is Z34.91 in?
Z34.91 belongs to the Factors Influencing Health Status chapter (Z00–Z99) of ICD-10-CM.
Related codes in the Z34 category
Z34
Encounter for supervision of normal pregnancy
Non-billable
Z34.0
Encounter for supervision of normal first pregnancy
Non-billable
Z34.8
Encounter for supervision of other normal pregnancy
Non-billable
Z34.9
Encounter for supervision of normal pregnancy, unspecified
Non-billable
Z34.00
Encounter for supervision of normal first pregnancy, unspecified trimester
Billable
Z34.01
Encounter for supervision of normal first pregnancy, first trimester
Billable
Z34.02
Encounter for supervision of normal first pregnancy, second trimester
Billable
Z34.03
Encounter for supervision of normal first pregnancy, third trimester
Billable
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