O24.31 Unspecified pre-existing diabetes mellitus in pregnancy

Non-billable header with 4 child codes.

Applies from O24.3 Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium

Use additional code

• code (for):
• from category E11 to further identify any manifestation
• injectable non-insulin antidiabetic drugs (Z79.85)
• long-term (current) use of insulin (Z79.4)

Codes under O24.31

• O24.311 Unspecified pre-existing diabetes mellitus in pregnancy, first trimester
• O24.312 Unspecified pre-existing diabetes mellitus in pregnancy, second trimester
• O24.313 Unspecified pre-existing diabetes mellitus in pregnancy, third trimester
• O24.319 Unspecified pre-existing diabetes mellitus in pregnancy, unspecified trimester

Code annotations containing back-references to O24.31

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 O24.31

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

Nearby codes

• O24.113 Pre-existing type 2 diabetes mellitus, in pregnancy, third trimester
• O24.119 Pre-existing type 2 diabetes mellitus, in pregnancy, unspecified trimester
• O24.12 Pre-existing type 2 diabetes mellitus, in childbirth
• O24.13 Pre-existing type 2 diabetes mellitus, in the puerperium
• O24.3 Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium
• O24.31 Unspecified pre-existing diabetes mellitus in pregnancy (this code)
• O24.311 Unspecified pre-existing diabetes mellitus in pregnancy, first trimester
• O24.312 Unspecified pre-existing diabetes mellitus in pregnancy, second trimester
• O24.313 Unspecified pre-existing diabetes mellitus in pregnancy, third trimester
• O24.319 Unspecified pre-existing diabetes mellitus in pregnancy, unspecified trimester
• O24.32 Unspecified pre-existing diabetes mellitus in childbirth