All ICD10 Codes

O24

Non-Billable
ChapterO00–O9A
Rankcategory
Official Description

Diabetes mellitus in pregnancy, childbirth, and the puerperium

Use a more specific code (0 billable, 6 non-billable)
O24.0Pre-existing type 1 diabetes mellitus, in pregnancy, childbirth and the puerperiumhas subcodesO24.1Pre-existing type 2 diabetes mellitus, in pregnancy, childbirth and the puerperiumhas subcodesO24.3Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperiumhas subcodesO24.4Gestational diabetes mellitushas subcodesO24.8Other pre-existing diabetes mellitus in pregnancy, childbirth, and the puerperiumhas subcodesO24.9Unspecified diabetes mellitus in pregnancy, childbirth and the puerperiumhas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 15: Pregnancy, Childbirth and the Puerperium (O00-O9A).

CH15 Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • supervision of normal pregnancy (Z34.-)
Excludes2(Not included here. Code separately if applicable.)
  • mental and behavioral disorders associated with the puerperium (F53.-)
  • obstetrical tetanus (A34)
  • postpartum necrosis of pituitary gland (E23.0)
  • puerperal osteomalacia (M83.0)
Use Additional Code
  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

O20-O29 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
  • maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99)

Clinical Hierarchy

BillableHas subcodes
CH15Pregnancy, childbirth and the puerperium (O00-O9A)
O20-O29Other maternal disorders predominantly related to pregnancy (O20-O29)
O24Diabetes mellitus in pregnancy, childbirth, and the puerperiumNot billable
O24.0Pre-existing type 1 diabetes mellitus, in pregnancy, childbirth and the puerperiumSubcodes
O24.1Pre-existing type 2 diabetes mellitus, in pregnancy, childbirth and the puerperiumSubcodes
O24.3Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperiumSubcodes
O24.4Gestational diabetes mellitusSubcodes
O24.8Other pre-existing diabetes mellitus in pregnancy, childbirth, and the puerperiumSubcodes
O24.9Unspecified diabetes mellitus in pregnancy, childbirth and the puerperiumSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to O24:

blockO20-O29
Other maternal disorders predominantly related to pregnancy (O20-O29)
View context instructions
chapterCH15
Pregnancy, childbirth and the puerperium (O00-O9A)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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