DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

O14 Pre-eclampsia

  • Header · not billable

O14 is not billable. The category heads 20 billable codes in FY2027, grouped under 4 subdivisions.

Index → code

  • Pre-eclampsia → O14.9-
  • HELLP syndrome (hemolysis, elevated liver enzymes and low platelet count) → O14.2-
  • Pre-eclampsiamild → O14.0-

Where it sits

  1. Chapter 15 Pregnancy, childbirth and the puerperium (O00-O9A)
  2. O10-O16 Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16)
  3. O14 Pre-eclampsia
Billable codes
20
Subdivisions
4
CC / MCC codes
4 / 4
HCC V28 codes
0
New FY2027
0
Index entries
40

Codes in O14

  1. O14.0
    Mild to moderate pre-eclampsia
    Header
  2. O14.00
    Mild to moderate pre-eclampsia, unspecified trimester
    Billable
  3. O14.02
    Mild to moderate pre-eclampsia, second trimester
    BillableCC
  4. O14.03
    Mild to moderate pre-eclampsia, third trimester
    BillableCC
  5. O14.04
    Mild to moderate pre-eclampsia, complicating childbirth
    Billable
  6. O14.05
    Mild to moderate pre-eclampsia, complicating the puerperium
    Billable
  7. O14.1
    Severe pre-eclampsia
    Header
    Excludes1 1

    Excludes1

    • HELLP syndrome (O14.2-) O14.2
  8. O14.10
    Severe pre-eclampsia, unspecified trimester
    Billable
  9. O14.12
    Severe pre-eclampsia, second trimester
    BillableMCC
  10. O14.13
    Severe pre-eclampsia, third trimester
    BillableMCC
  11. O14.14
    Severe pre-eclampsia complicating childbirth
    Billable
  12. O14.15
    Severe pre-eclampsia, complicating the puerperium
    Billable
  13. O14.2
    HELLP syndrome
    Header
    Inclusion terms 1

    Inclusion terms

    • Severe pre-eclampsia with hemolysis, elevated liver enzymes and low platelet count (HELLP)
  14. O14.20
    HELLP syndrome (HELLP), unspecified trimester
    Billable
  15. O14.22
    HELLP syndrome (HELLP), second trimester
    BillableMCC
  16. O14.23
    HELLP syndrome (HELLP), third trimester
    BillableMCC
  17. O14.24
    HELLP syndrome, complicating childbirth
    Billable
  18. O14.25
    HELLP syndrome, complicating the puerperium
    Billable
  19. O14.9
    Unspecified pre-eclampsia
    Header
  20. O14.90
    Unspecified pre-eclampsia, unspecified trimester
    Billable
  21. O14.92
    Unspecified pre-eclampsia, second trimester
    BillableCC
  22. O14.93
    Unspecified pre-eclampsia, third trimester
    BillableCC
  23. O14.94
    Unspecified pre-eclampsia, complicating childbirth
    Billable
  24. O14.95
    Unspecified pre-eclampsia, complicating the puerperium
    Billable

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

At O14

Excludes1

  • pre-existing hypertension with pre-eclampsia (O11) O11

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

  • HELLP syndrome (hemolysis, elevated liver enzymes and low platelet count) → O14.2-
  • Pre-eclampsia → O14.9-
  • Pre-eclampsiamild → O14.0-
  • Pre-eclampsiamoderate → O14.0-
  • Pre-eclampsiasevere → O14.1-
  • SyndromeHELLP (hemolysis, elevated liver enzymes and low platelet count) → O14.2-
  • Pre-eclampsiaseverewith hemolysis, elevated liver enzymes and low platelet count (HELLP) → O14.2-
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)HELLP syndrome (hemolysis, elevated liver enzymes and low platelet count) → O14.2-
  • HELLP syndrome (hemolysis, elevated liver enzymes and low platelet count)complicatingchildbirth → O14.24
  • HELLP syndrome (hemolysis, elevated liver enzymes and low platelet count)complicatingpuerperium → O14.25
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)pre-eclampsia → O14.9-
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)toxemia → O14.9-
  • Delivery (childbirth) (labor)cesarean (for)pre-eclampsia → O14.94
  • Pre-eclampsiacomplicatingchildbirth → O14.94
  • Pre-eclampsiacomplicatingpuerperium → O14.95
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)pre-eclampsiamild → O14.0-
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)pre-eclampsiamoderate → O14.0-
  • Delivery (childbirth) (labor)cesarean (for)pre-eclampsiamild → O14.04
  • Delivery (childbirth) (labor)cesarean (for)pre-eclampsiamoderate → O14.04
  • Pre-eclampsiamildcomplicatingchildbirth → O14.04
  • Pre-eclampsiamoderatecomplicatingchildbirth → O14.04
  • Pre-eclampsiamildcomplicatingpuerperium → O14.05
  • Pre-eclampsiamoderatecomplicatingpuerperium → O14.05
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)pre-eclampsiasevere → O14.1-
  • Delivery (childbirth) (labor)cesarean (for)pre-eclampsiasevere → O14.14
  • Pre-eclampsiaseverecomplicatingchildbirth → O14.14
  • Pre-eclampsiaseverecomplicatingpuerperium → O14.15
  • SyndromeHELLP (hemolysis, elevated liver enzymes and low platelet count)complicatingchildbirth → O14.24
  • SyndromeHELLP (hemolysis, elevated liver enzymes and low platelet count)complicatingpuerperium → O14.25
  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)complicatingpregnancywith edema → O14.9-
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)edemawithgestational hypertension, mild → O14.0-
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)pre-eclampsiaseverewith hemolysis, elevated liver enzymes and low platelet count (HELLP) → O14.2-
  • Delivery (childbirth) (labor)cesarean (for)pre-eclampsiaseverewith hemolysis, elevated liver enzymes and low platelet count (HELLP) → O14.24
  • Pre-eclampsiaseverewith hemolysis, elevated liver enzymes and low platelet count (HELLP)complicatingchildbirth → O14.24
  • Pre-eclampsiaseverewith hemolysis, elevated liver enzymes and low platelet count (HELLP)complicatingpuerperium → O14.25
  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)complicatingpregnancygestational (pregnancy induced) (without proteinuria)with proteinuria → O14.9-
  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)complicatingpregnancygestational (pregnancy induced) (without proteinuria)with proteinuriamild pre-eclampsia → O14.0-
  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)complicatingpregnancygestational (pregnancy induced) (without proteinuria)with proteinuriamoderate pre-eclampsia → O14.0-
  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)complicatingpregnancygestational (pregnancy induced) (without proteinuria)with proteinuriasevere pre-eclampsia → O14.1-
  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)complicatingpregnancygestational (pregnancy induced) (without proteinuria)with proteinuriasevere pre-eclampsiawith hemolysis, elevated liver enzymes and low platelet count (HELLP) → O14.2-

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

Hierarchy