DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

O68 diagnosis code · Billable category · FY2027

O68 Labor and delivery complicated by abnormality of fetal acid-base balance

  • Billable
  • CC
  • POA reported

O68 ICD-10 code: a billable diagnosis code in FY2027; the category has no subdivisions.

Where it sits

  1. Chapter 15 Pregnancy, childbirth and the puerperium (O00-O9A)
  2. O60-O77 Complications of labor and delivery (O60-O77)
  3. O68 Labor and delivery complicated by abnormality of fetal acid-base balance
CC / MCC
CC
MS-DRG
998
HCC V28
–
POA
Reported
Code Editor
Maternity
Index entries
8

Instructions

At O68

Inclusion terms

  • Fetal acidemia complicating labor and delivery
  • Fetal acidosis complicating labor and delivery
  • Fetal alkalosis complicating labor and delivery
  • Fetal metabolic acidemia complicating labor and delivery

Excludes1

  • fetal stress NOS (O77.9) O77.9
  • labor and delivery complicated by electrocardiographic evidence of fetal stress (O77.8) O77.8
  • labor and delivery complicated by ultrasonic evidence of fetal stress (O77.8) O77.8

Excludes2

  • abnormality in fetal heart rate or rhythm (O76) O76
  • labor and delivery complicated by meconium in amniotic fluid (O77.0) O77.0

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

  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)fetal (maternal care for)acidemia → O68
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)fetal (maternal care for)acidosis → O68
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)fetal (maternal care for)alkalosis → O68
  • Delivery (childbirth) (labor)complicatedbyfetalabnormal acid-base balance → O68
  • Delivery (childbirth) (labor)complicatedbyfetalacidemia → O68
  • Delivery (childbirth) (labor)complicatedbyfetalacidosis → O68
  • Delivery (childbirth) (labor)complicatedbyfetalalkalosis → O68
  • Pregnancy (single) (uterine)complicated by (care of) (management affected by)fetal (maternal care for)abnormality or damageacid-base balance → O68

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

Medicare grouping and edits

CMS files for O68
CC / MCCCC
PDX exclusion list1392 (3 codes)
Appendix BMDC 14 Pregnancy, Childbirth and the Puerperium, MS-DRG 998
Code EditorAge conflict: maternity diagnosis (age 9–64)
POAReported
HCC V28–

CC as a secondary diagnosis, not when the principal diagnosis is on its PDX exclusion list.

CMS: MS-DRG v44 (Appendix B, C), MCE v44, POA list FY2027, 2027 Initial ICD-10-CM Mappings. What the rows mean.

Hierarchy