DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 15

O10-O16 Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16)

Block O10-O16 groups 7 categories with 98 billable codes in FY2027.

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)

Neighbouring blocks

Categories
7
Billable codes
98
CC codes
25
MCC codes
12
HCC V28 codes
0
New FY2027
0

Categories in O10-O16

  • O10

    Pre-existing hypertension complicating pregnancy, childbirth and the puerperium

    Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)complicatingpregnancypre-existing → O10.91-

    • 36 billable codes
    • 12 CC
    • 1 MCC
  • O11

    Pre-existing hypertension with pre-eclampsia

    Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)complicatingpregnancypre-existingwithpre-eclampsia → O11

    • 6 billable codes
    • 3 MCC
  • O12

    Gestational [pregnancy-induced] edema and proteinuria without hypertension

    Proteinuriapuerperal → O12.15

    • 18 billable codes
    • 6 CC
  • O13

    Gestational [pregnancy-induced] hypertension without significant proteinuria

    Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)gestational (without significant proteinuria) (pregnancy-induced) (transient) → O13.-

    • 6 billable codes
  • O14

    Pre-eclampsia

    Pre-eclampsia → O14.9-

    • 20 billable codes
    • 4 CC
    • 4 MCC
  • O15

    Eclampsia

    Eclampsia, eclamptic (coma) (convulsions) (delirium) (with hypertension) NEC → O15.9

    • 6 billable codes
    • 4 MCC
  • O16

    Unspecified maternal hypertension

    Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)maternal → O16.-

    • 6 billable codes
    • 3 CC

Index main terms

  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic) → O10, O11, O13, O14, O16 (40 entries)
  • Pre-eclampsia → O14 (15 entries)
  • Pregnancy (single) (uterine) → O12, O14, O15 (15 entries)
  • Delivery (childbirth) (labor) → O12, O14, O15 (9 entries)
  • Eclampsia, eclamptic (coma) (convulsions) (delirium) (with hypertension) NEC → O15 (5 entries)
  • Proteinuria → O12 (5 entries)
  • Puerperal, puerperium (complicated by, complications) → O12, O15 (5 entries)
  • HELLP syndrome (hemolysis, elevated liver enzymes and low platelet count) → O14 (3 entries)
  • Syndrome → O14 (3 entries)

Block instructions

Notes that also apply

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