DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

Z34 Encounter for supervision of normal pregnancy

  • Header · not billable

Z34 is not billable. The category heads 12 billable codes in FY2027, grouped under 3 subdivisions.

Index → code

  • Antenatalcare (normal pregnancy) → Z34.90
  • Pregnancy (single) (uterine)prenatal care only → Z34.9-
  • Pregnancy (single) (uterine)examination (normal) → Z34.9-

Where it sits

  1. Chapter 21 Factors influencing health status and contact with health services (Z00-Z99)
  2. Z30-Z39 Persons encountering health services in circumstances related to reproduction (Z30-Z39)
  3. Z34 Encounter for supervision of normal pregnancy
Billable codes
12
Subdivisions
3
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
15

Codes in Z34

  1. Z34.0
    Encounter for supervision of normal first pregnancy
    Header
  2. Z34.00
    Encounter for supervision of normal first pregnancy, unspecified trimester
    BillableExempt
  3. Z34.01
    Encounter for supervision of normal first pregnancy, first trimester
    BillableExempt
  4. Z34.02
    Encounter for supervision of normal first pregnancy, second trimester
    BillableExempt
  5. Z34.03
    Encounter for supervision of normal first pregnancy, third trimester
    BillableExempt
  6. Z34.8
    Encounter for supervision of other normal pregnancy
    Header
  7. Z34.80
    Encounter for supervision of other normal pregnancy, unspecified trimester
    BillableExempt
  8. Z34.81
    Encounter for supervision of other normal pregnancy, first trimester
    BillableExempt
  9. Z34.82
    Encounter for supervision of other normal pregnancy, second trimester
    BillableExempt
  10. Z34.83
    Encounter for supervision of other normal pregnancy, third trimester
    BillableExempt
  11. Z34.9
    Encounter for supervision of normal pregnancy, unspecified
    Header
  12. Z34.90
    Encounter for supervision of normal pregnancy, unspecified, unspecified trimester
    BillableExempt
  13. Z34.91
    Encounter for supervision of normal pregnancy, unspecified, first trimester
    BillableExempt
  14. Z34.92
    Encounter for supervision of normal pregnancy, unspecified, second trimester
    BillableExempt
  15. Z34.93
    Encounter for supervision of normal pregnancy, unspecified, third trimester
    BillableExempt

Sources of each column.

Instructions

At Z34

Excludes1

  • any complication of pregnancy (O00-O9A) O00 O9A
  • encounter for pregnancy test (Z32.0-) Z32.0
  • encounter for supervision of high risk pregnancy (O09.-) O09

Notes that also apply

Chapter 21 instructions (Notes 3): printed on the chapter 21 page.

Index entries

  • Examination (for) (following) (general) (of) (routine)prenatal (normal pregnancy) → Z34.9-
  • Observation (following) (for) (without need for further medical care)pregnancy (normal) (without complication) → Z34.9-
  • Pregnancy (single) (uterine)examination (normal) → Z34.9-
  • Pregnancy (single) (uterine)normal (supervision of) → Z34.9-
  • Pregnancy (single) (uterine)prenatal care only → Z34.9-
  • Antenatalcare (normal pregnancy) → Z34.90
  • Pregnancy (single) (uterine)examination (normal)first → Z34.0-
  • Pregnancy (single) (uterine)normal (supervision of)first → Z34.0-
  • Pregnancy (single) (uterine)prenatal care onlyfirst → Z34.0-
  • Pregnancy (single) (uterine)examination (normal)specified → Z34.8-
  • Pregnancy (single) (uterine)normal (supervision of)specified → Z34.8-
  • Pregnancy (single) (uterine)prenatal care onlyspecified → Z34.8-
  • Pregnancy (single) (uterine)supervision ofnormal → Z34.9-
  • Pregnancy (single) (uterine)supervision ofnormalfirst → Z34.0-
  • Pregnancy (single) (uterine)supervision ofnormalspecified NEC → Z34.8-

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy