O24.0

⚠ Non-billable (Header)

Pre-existing type 1 diabetes mellitus, in pregnancy, childbirth and the puerperium

Pregnancy, childbirth and the puerperium (O00-O9A)

⚠️ This is a category header code — not billable. Use a more specific child code below.

Also Known As

Juvenile onset diabetes mellitus, in pregnancy, childbirth and the puerperiumKetosis-prone diabetes mellitus in pregnancy, childbirth and the puerperium

📋 Code Instructions

• code from category E10 to further identify any manifestations

Child Codes (3)

O24.01Pre-existing type 1 diabetes mellitus, in pregnancyHeader O24.02Pre-existing type 1 diabetes mellitus, in childbirth✓ Billable O24.03Pre-existing type 1 diabetes mellitus, in the puerperium✓ Billable

🧪 Validate Combinations

Add O24.0 to the Excludes Checker to validate against your full code list.

Open in Checker →

Code Information

CodeO24.0

BillableNo — Header code

ParentO24

CategoryPregnancy, childbirth and the puerperium (O00-O9A)

Excludes10 rule(s)

Excludes20 note(s)

Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)