O24.01 Pre-existing type 1 diabetes mellitus, in pregnancy

Non-billable header with 4 child codes.

Applies from O24.0 Pre-existing type 1 diabetes mellitus, in pregnancy, childbirth and the puerperium

Applicable to

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

Use additional code

• code from category E10 to further identify any manifestations

Codes under O24.01

• O24.011 Pre-existing type 1 diabetes mellitus, in pregnancy, first trimester
• O24.012 Pre-existing type 1 diabetes mellitus, in pregnancy, second trimester
• O24.013 Pre-existing type 1 diabetes mellitus, in pregnancy, third trimester
• O24.019 Pre-existing type 1 diabetes mellitus, in pregnancy, unspecified trimester

Code annotations containing back-references to O24.01

Back-references to O24

• Type 2 Excludes: O99.2 Endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium ("diabetes mellitus (O24.-)")
• Type 1 Excludes: R73 Elevated blood glucose level ("diabetes mellitus in pregnancy, childbirth and the puerperium (O24.-)")

Diagnosis Index entries for O24.01

• Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › diabetes (mellitus) › pre-existing › type 1

Nearby codes

• O24 Diabetes mellitus in pregnancy, childbirth, and the puerperium
• O24.0 Pre-existing type 1 diabetes mellitus, in pregnancy, childbirth and the puerperium
• O24.01 Pre-existing type 1 diabetes mellitus, in pregnancy (this code)
• O24.011 Pre-existing type 1 diabetes mellitus, in pregnancy, first trimester
• O24.012 Pre-existing type 1 diabetes mellitus, in pregnancy, second trimester
• O24.013 Pre-existing type 1 diabetes mellitus, in pregnancy, third trimester
• O24.019 Pre-existing type 1 diabetes mellitus, in pregnancy, unspecified trimester
• O24.02 Pre-existing type 1 diabetes mellitus, in childbirth