O12.0
Non-billableGestational edema
Gestational edema
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- supervision of normal pregnancy (Z34.-)
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Child Codes (6)
O12.00Gestational edema, unspecified trimester
O12.01Gestational edema, first trimester
O12.02Gestational edema, second trimester
O12.03Gestational edema, third trimester
O12.04Gestational edema, complicating childbirth
O12.05Gestational edema, complicating the puerperium
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code O12.0?
ICD-10-CM code O12.0 represents "Gestational edema". It is a non-billable header code — use a more specific child code for billing purposes.
Is O12.0 a billable code?
No, O12.0 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 6 child codes under O12.0.
What chapter is O12.0 in?
O12.0 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).
What codes cannot be used with O12.0?
O12.0 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-).
What are the subcategories under O12.0?
O12.0 has 6 child codes, including: O12.00 (Gestational edema, unspecified trimester), O12.01 (Gestational edema, first trimester), O12.02 (Gestational edema, second trimester), O12.03 (Gestational edema, third trimester), and 2 more.
Are additional codes required with O12.0?
Yes, when using O12.0 you should also code: code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known..
What are the UMLS CUIs for O12.0?
O12.0 is linked to 1 UMLS Concept Unique Identifier: C0341960. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.