DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

O48 Late pregnancy

  • Header · not billable

O48 is not billable. The category heads 2 billable codes in FY2027: the 2 codes directly below it.

Index → code

  • Post-term (40-42 weeks) (pregnancy) (mother) → O48.0
  • Post-dates (40-42 weeks) (pregnancy) (mother) → O48.0
  • Pregnancy (single) (uterine)post-term (40 to 42 weeks) → O48.0

Where it sits

  1. Chapter 15 Pregnancy, childbirth and the puerperium (O00-O9A)
  2. O30-O48 Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
  3. O48 Late pregnancy
Billable codes
2
Subdivisions
2
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
13

Codes in O48

  1. O48.0
    Post-term pregnancy
    Billable
    Inclusion terms 1

    Inclusion terms

    • Pregnancy over 40 completed weeks to 42 completed weeks gestation
  2. O48.1
    Prolonged pregnancy
    Billable
    Inclusion terms 1

    Inclusion terms

    • Pregnancy which has advanced beyond 42 completed weeks gestation

Sources of each column.

Instructions

Notes that also apply

Chapter 15 instructions (Notes 6, Excludes1 1, Excludes2 4, Use additional code 1): printed on the chapter 15 page.

Index entries

  • Post-dates (40-42 weeks) (pregnancy) (mother) → O48.0
  • Post-term (40-42 weeks) (pregnancy) (mother) → O48.0
  • Pregnancy (single) (uterine)postmature (40 to 42 weeks) → O48.0
  • Pregnancy (single) (uterine)post-term (40 to 42 weeks) → O48.0
  • Post-dates (40-42 weeks) (pregnancy) (mother)more than 42 weeks gestation → O48.1
  • Postmaturity, postmature (over 42 weeks)maternal (over 42 weeks gestation) → O48.1
  • Post-term (40-42 weeks) (pregnancy) (mother)more than 42 weeks gestation (mother) → O48.1
  • Pregnancy (single) (uterine)prolonged (more than 42 weeks gestation) → O48.1
  • Prolonged, prolongation (of)pregnancy (more than 42 weeks gestation) → O48.1
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)postmaturity (post-term) (40 to 42 weeks) → O48.0
  • Pregnancy (single) (uterine)postmature (40 to 42 weeks)more than 42 weeks gestation → O48.1
  • Prolonged, prolongation (of)gestation (over 42 completed weeks)mother → O48.1
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)postmaturity (post-term) (40 to 42 weeks)more than 42 completed weeks gestation (prolonged) → O48.1

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

Hierarchy