DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

O63 Long labor

  • Header · not billable

O63 is not billable. The category heads 4 billable codes in FY2027: the 4 codes directly below it.

Index → code

  • Longlabor → O63.9
  • Prolonged, prolongation (of)labor → O63.9
  • Delay, delayedbirth or delivery NOS → O63.9

Where it sits

  1. Chapter 15 Pregnancy, childbirth and the puerperium (O00-O9A)
  2. O60-O77 Complications of labor and delivery (O60-O77)
  3. O63 Long labor
Billable codes
4
Subdivisions
4
CC / MCC codes
1 / 0
HCC V28 codes
0
New FY2027
0
Index entries
15

Codes in O63

  1. O63.0
    Prolonged first stage (of labor)
    Billable
  2. O63.1
    Prolonged second stage (of labor)
    Billable
  3. O63.2
    Delayed delivery of second twin, triplet, etc.
    Billable
  4. O63.9
    Long labor, unspecified
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • Prolonged labor NOS

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

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

  • Delay, delayeddelivery, second twin, triplet, etc → O63.2
  • Delay, delayedbirth or delivery NOS → O63.9
  • Delivery (childbirth) (labor)delayed NOS → O63.9
  • Longlabor → O63.9
  • Prolonged, prolongation (of)labor → O63.9
  • Longlaborfirst stage → O63.0
  • Prolonged, prolongation (of)laborfirst stage → O63.0
  • Longlaborsecond stage → O63.1
  • Prolonged, prolongation (of)laborsecond stage → O63.1
  • Delivery (childbirth) (labor)delayed NOSsecond twin, triplet, etc. → O63.2
  • Delivery (childbirth) (labor)cesarean (for)prolonged labor NOS → O63.9
  • Delivery (childbirth) (labor)complicatedbyprolonged labor → O63.9
  • Delivery (childbirth) (labor)complicatedbyretarded birth → O63.9
  • Delivery (childbirth) (labor)complicatedbyprolonged laborfirst stage → O63.0
  • Delivery (childbirth) (labor)complicatedbyprolonged laborsecond stage → O63.1

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

Hierarchy