ICD-10-CM · Chapter 15 · O00-O9A
O24 Diabetes mellitus in pregnancy, childbirth, and the puerperium
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| O24..0 | Pre-existing type 1 diabetes mellitus, in pregnancy, childbirth and the puerperium | No |
| O24..01 | Pre-existing type 1 diabetes mellitus, in pregnancy | No |
| O24..011 | Pre-existing type 1 diabetes mellitus, in pregnancy, first trimester | Yes |
| O24..012 | Pre-existing type 1 diabetes mellitus, in pregnancy, second trimester | Yes |
| O24..013 | Pre-existing type 1 diabetes mellitus, in pregnancy, third trimester | Yes |
| O24..019 | Pre-existing type 1 diabetes mellitus, in pregnancy, unspecified trimester | Yes |
| O24..02 | Pre-existing type 1 diabetes mellitus, in childbirth | Yes |
| O24..03 | Pre-existing type 1 diabetes mellitus, in the puerperium | Yes |
| O24..1 | Pre-existing type 2 diabetes mellitus, in pregnancy, childbirth and the puerperium | No |
| O24..11 | Pre-existing type 2 diabetes mellitus, in pregnancy | No |
| O24..111 | Pre-existing type 2 diabetes mellitus, in pregnancy, first trimester | Yes |
| O24..112 | Pre-existing type 2 diabetes mellitus, in pregnancy, second trimester | Yes |
| O24..113 | Pre-existing type 2 diabetes mellitus, in pregnancy, third trimester | Yes |
| O24..119 | Pre-existing type 2 diabetes mellitus, in pregnancy, unspecified trimester | Yes |
| O24..12 | Pre-existing type 2 diabetes mellitus, in childbirth | Yes |
| O24..13 | Pre-existing type 2 diabetes mellitus, in the puerperium | Yes |
| O24..3 | Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium | No |
| O24..31 | Unspecified pre-existing diabetes mellitus in pregnancy | No |
| O24..311 | Unspecified pre-existing diabetes mellitus in pregnancy, first trimester | Yes |
| O24..312 | Unspecified pre-existing diabetes mellitus in pregnancy, second trimester | Yes |
| O24..313 | Unspecified pre-existing diabetes mellitus in pregnancy, third trimester | Yes |
| O24..319 | Unspecified pre-existing diabetes mellitus in pregnancy, unspecified trimester | Yes |
| O24..32 | Unspecified pre-existing diabetes mellitus in childbirth | Yes |
| O24..33 | Unspecified pre-existing diabetes mellitus in the puerperium | Yes |
| O24..4 | Gestational diabetes mellitus | No |
| O24..41 | Gestational diabetes mellitus in pregnancy | No |
| O24..410 | Gestational diabetes mellitus in pregnancy, diet controlled | Yes |
| O24..414 | Gestational diabetes mellitus in pregnancy, insulin controlled | Yes |
| O24..415 | Gestational diabetes mellitus in pregnancy, controlled by oral hypoglycemic drugs | Yes |
| O24..419 | Gestational diabetes mellitus in pregnancy, unspecified control | Yes |
| O24..42 | Gestational diabetes mellitus in childbirth | No |
| O24..420 | Gestational diabetes mellitus in childbirth, diet controlled | Yes |
| O24..424 | Gestational diabetes mellitus in childbirth, insulin controlled | Yes |
| O24..425 | Gestational diabetes mellitus in childbirth, controlled by oral hypoglycemic drugs | Yes |
| O24..429 | Gestational diabetes mellitus in childbirth, unspecified control | Yes |
| O24..43 | Gestational diabetes mellitus in the puerperium | No |
| O24..430 | Gestational diabetes mellitus in the puerperium, diet controlled | Yes |
| O24..434 | Gestational diabetes mellitus in the puerperium, insulin controlled | Yes |
| O24..435 | Gestational diabetes mellitus in puerperium, controlled by oral hypoglycemic drugs | Yes |
| O24..439 | Gestational diabetes mellitus in the puerperium, unspecified control | Yes |
| O24..8 | Other pre-existing diabetes mellitus in pregnancy, childbirth, and the puerperium | No |
| O24..81 | Other pre-existing diabetes mellitus in pregnancy | No |
| O24..811 | Other pre-existing diabetes mellitus in pregnancy, first trimester | Yes |
| O24..812 | Other pre-existing diabetes mellitus in pregnancy, second trimester | Yes |
| O24..813 | Other pre-existing diabetes mellitus in pregnancy, third trimester | Yes |
| O24..819 | Other pre-existing diabetes mellitus in pregnancy, unspecified trimester | Yes |
| O24..82 | Other pre-existing diabetes mellitus in childbirth | Yes |
| O24..83 | Other pre-existing diabetes mellitus in the puerperium | Yes |
| O24..9 | Unspecified diabetes mellitus in pregnancy, childbirth and the puerperium | No |
| O24..91 | Unspecified diabetes mellitus in pregnancy | No |
| O24..911 | Unspecified diabetes mellitus in pregnancy, first trimester | Yes |
| O24..912 | Unspecified diabetes mellitus in pregnancy, second trimester | Yes |
| O24..913 | Unspecified diabetes mellitus in pregnancy, third trimester | Yes |
| O24..919 | Unspecified diabetes mellitus in pregnancy, unspecified trimester | Yes |
| O24..92 | Unspecified diabetes mellitus in childbirth | Yes |
| O24..93 | Unspecified diabetes mellitus in the puerperium | Yes |
Plain-language term for this code
The following entry in the US Medical Glossary corresponds to ICD-10-CM category O24:
- Gestational Diabetes — Diabetes gestacional
Last reviewed: September 2026