DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

O60 Preterm labor

  • Header · not billable
  • Some codes take a 7th character

O60 is not billable. The category heads 52 billable codes in FY2027, grouped under 3 subdivisions.

Index → code

  • Pretermdelivery → O60.10
  • Prematuredelivery → O60.10
  • Delivery (childbirth) (labor)preterm → O60.10

Where it sits

  1. Chapter 15 Pregnancy, childbirth and the puerperium (O00-O9A)
  2. O60-O77 Complications of labor and delivery (O60-O77)
  3. O60 Preterm labor
Billable codes
52
Subdivisions
3
CC / MCC codes
14 / 37
HCC V28 codes
0
New FY2027
0
Index entries
17

Codes in O60

  1. O60.0
    Preterm labor without delivery
    Header
  2. O60.00
    Preterm labor without delivery, unspecified trimester
    Billable
  3. O60.02
    Preterm labor without delivery, second trimester
    BillableMCC
  4. O60.03
    Preterm labor without delivery, third trimester
    BillableMCC
  5. O60.1
    Preterm labor with preterm delivery
    Header
  6. O60.10
    Preterm labor with preterm delivery, unspecified trimester +7th: 0 1 2 3 4 5 9
    Needs 7th characterCC 0 1 2 3 4 5 9
    Inclusion terms 1

    Inclusion terms

    • Preterm labor with delivery NOS
  7. O60.12
    Preterm labor second trimester with preterm delivery second trimester +7th: 0 1 2 3 4 5 9
    Needs 7th characterMCC 0 1 2 3 4 5 9
  8. O60.13
    Preterm labor second trimester with preterm delivery third trimester +7th: 0 1 2 3 4 5 9
    Needs 7th characterMCC 0 1 2 3 4 5 9
  9. O60.14
    Preterm labor third trimester with preterm delivery third trimester +7th: 0 1 2 3 4 5 9
    Needs 7th characterMCC 0 1 2 3 4 5 9
  10. O60.2
    Term delivery with preterm labor
    Header
  11. O60.20
    Term delivery with preterm labor, unspecified trimester +7th: 0 1 2 3 4 5 9
    Needs 7th characterCC 0 1 2 3 4 5 9
  12. O60.22
    Term delivery with preterm labor, second trimester +7th: 0 1 2 3 4 5 9
    Needs 7th characterMCC 0 1 2 3 4 5 9
  13. O60.23
    Term delivery with preterm labor, third trimester +7th: 0 1 2 3 4 5 9
    Needs 7th characterMCC 0 1 2 3 4 5 9

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. Rows marked +7th need a 7th character: pick one to build the full code; its code card has its own flags.

Instructions

At O60

Includes

  • onset (spontaneous) of labor before 37 completed weeks of gestation

Excludes1

  • false labor (O47.0-) O47.0
  • threatened labor NOS (O47.0-) O47.0

Notes that also apply

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

7th characters

7th characters for O60.1 defined at O60.1

One of the following 7th characters is to be assigned to each code under subcategory O60.1. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from subcategory O60.1 that has a 7th character of 1 through 9.

7th characters for O60.1
7thMeaning (NCHS)
0not applicable or unspecified
1fetus 1
2fetus 2
3fetus 3
4fetus 4
5fetus 5
9other fetus

7th characters for O60.2 defined at O60.2

One of the following 7th characters is to be assigned to each code under subcategory O60.2. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from subcategory O60.2 that has a 7th character of 1 through 9.

7th characters for O60.2
7thMeaning (NCHS)
0not applicable or unspecified
1fetus 1
2fetus 2
3fetus 3
4fetus 4
5fetus 5
9other fetus

A code that takes a 7th character is invalid without it; the placeholder X fills a code shorter than 6 characters (Official Guidelines I.A.5). How 7th characters work.

Index entries

  • Delivery (childbirth) (labor)preterm → O60.10
  • Prematuredelivery → O60.10
  • Pretermdelivery → O60.10
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)preterm delivery → O60.10
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)preterm laborwithout delivery → O60.00
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)preterm laborwith delivery → O60.10
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)preterm laborsecond trimesterwithout delivery → O60.02
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)preterm laborwithout deliverysecond trimester → O60.02
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)preterm laborthird trimesterwithout delivery → O60.03
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)preterm laborwithout deliverythird trimester → O60.03
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)preterm laborwith deliverypreterm → O60.10
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)preterm laborthird trimesterwith third trimester preterm delivery → O60.14
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)preterm laborwith deliveryterm → O60.20
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)preterm laborsecond trimesterwith term delivery → O60.22
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)preterm laborthird trimesterwith term delivery → O60.23
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)preterm laborsecond trimesterwith preterm deliverysecond trimester → O60.12
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)preterm laborsecond trimesterwith preterm deliverythird trimester → O60.13

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

Hierarchy