O24 Diabetes in pregnancy, childbirth, and the puerperium
ICD-10-CM category O24 sits in Chapter 15 (Pregnancy, childbirth and the puerperium, O00-O9A). It contains 42 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Subcategories
O24.0 Pre-exist type 1 diabetes, in preg, chldbrth and the puerpO24.01 Pre-existing type 1 diabetes mellitus, in pregnancyO24.1 Pre-exist type 2 diabetes, in preg, chldbrth and the puerpO24.11 Pre-existing type 2 diabetes mellitus, in pregnancyO24.3 Unsp pre-exist diabetes in pregnancy, chldbrth and the puerpO24.31 Unspecified pre-existing diabetes mellitus in pregnancyO24.4 Gestational diabetes mellitusO24.41 Gestational diabetes mellitus in pregnancyO24.42 Gestational diabetes mellitus in childbirthO24.43 Gestational diabetes mellitus in the puerperiumO24.8 Oth pre-exist diabetes in pregnancy, chldbrth, and the puerpO24.81 Other pre-existing diabetes mellitus in pregnancyO24.9 Unsp diabetes in pregnancy, childbirth and the puerperiumO24.91 Unspecified diabetes mellitus in pregnancy
Billable codes in O24
| Code | Description |
|---|---|
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 |
O24.03 | Pre-existing type 1 diabetes mellitus, in the puerperium |
O24.111 | Pre-existing type 2 diabetes mellitus, in pregnancy, first trimester |
O24.112 | Pre-existing type 2 diabetes mellitus, in pregnancy, second trimester |
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 |
O24.311 | 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 |
O24.33 | Unspecified pre-existing diabetes mellitus in the puerperium |
O24.410 | Gestational diabetes mellitus in pregnancy, diet controlled |
O24.414 | Gestational diabetes mellitus in pregnancy, insulin controlled |
O24.415 | Gestational diabetes mellitus in pregnancy, controlled by oral hypoglycemic drugs |
O24.419 | Gestational diabetes mellitus in pregnancy, unspecified control |
O24.420 | Gestational diabetes mellitus in childbirth, diet controlled |
O24.424 | Gestational diabetes mellitus in childbirth, insulin controlled |
O24.425 | Gestational diabetes mellitus in childbirth, controlled by oral hypoglycemic drugs |
O24.429 | Gestational diabetes mellitus in childbirth, unspecified control |
O24.430 | Gestational diabetes mellitus in the puerperium, diet controlled |
O24.434 | Gestational diabetes mellitus in the puerperium, insulin controlled |
O24.435 | Gestational diabetes mellitus in puerperium, controlled by oral hypoglycemic drugs |
O24.439 | Gestational diabetes mellitus in the puerperium, unspecified control |
O24.811 | Other pre-existing diabetes mellitus in pregnancy, first trimester |
O24.812 | Other pre-existing diabetes mellitus in pregnancy, second trimester |
O24.813 | Other pre-existing diabetes mellitus in pregnancy, third trimester |
O24.819 | Other pre-existing diabetes mellitus in pregnancy, unspecified trimester |
O24.82 | Other pre-existing diabetes mellitus in childbirth |
O24.83 | Other pre-existing diabetes mellitus in the puerperium |
O24.911 | Unspecified diabetes mellitus in pregnancy, first trimester |
O24.912 | Unspecified diabetes mellitus in pregnancy, second trimester |
O24.913 | Unspecified diabetes mellitus in pregnancy, third trimester |
O24.919 | Unspecified diabetes mellitus in pregnancy, unspecified trimester |
O24.92 | Unspecified diabetes mellitus in childbirth |
O24.93 | Unspecified diabetes mellitus in the puerperium |
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