ICD-10 Diagnosis Code O12.02

Gestational edema, second trimester

Diagnosis Code O12.02

ICD-10: O12.02
Short Description: Gestational edema, second trimester
Long Description: Gestational edema, second trimester
This is the 2017 version of the ICD-10-CM diagnosis code O12.02

Code Classification
  • Pregnancy, childbirth and the puerperium
    • Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16)
      • Gestational edema and proteinuria without hypertension (O12)

Information for Medical Professionals

Code Edits
The following edits are applicable to this code:
Maternity diagnoses Additional informationCallout TooltipMaternity diagnoses
Maternity. Age range is 12–55 years inclusive (e.g., diabetes in pregnancy, antepartum pulmonary complication).

Diagnoses for females only Additional informationCallout TooltipDiagnoses for females only
Diagnoses for females only.

Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

Information for Patients


Also called: Dropsy

Edema means swelling caused by fluid in your body's tissues. It usually occurs in the feet, ankles and legs, but it can involve your entire body.

Causes of edema include

  • Eating too much salt
  • Sunburn
  • Heart failure
  • Kidney disease
  • Liver problems from cirrhosis
  • Pregnancy
  • Problems with lymph nodes, especially after mastectomy
  • Some medicines
  • Standing or walking a lot when the weather is warm

To keep swelling down, your health care provider may recommend keeping your legs raised when sitting, wearing support stockings, limiting how much salt you eat, or taking a medicine called a diuretic - also called a water pill.

  • Abdominal tap
  • Angioedema
  • Foot, leg, and ankle swelling
  • Pulmonary edema
  • Swelling

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Health Problems in Pregnancy

Every pregnancy has some risk of problems. The causes can be conditions you already have or conditions you develop. They also include being pregnant with more than one baby, previous problem pregnancies, or being over age 35. They can affect your health and the health of your baby.

If you have a chronic condition, you should talk to your health care provider about how to minimize your risk before you get pregnant. Once you are pregnant, you may need a health care team to monitor your pregnancy. Examples of common conditions that can complicate a pregnancy include

  • Heart disease
  • High blood pressure
  • Kidney problems
  • Autoimmune disorders
  • Sexually transmitted diseases
  • Diabetes
  • Cancer
  • Infections

Other conditions that can make pregnancy risky can happen while you are pregnant - for example, gestational diabetes and Rh incompatibility. Good prenatal care can help detect and treat them.

Some discomforts, like nausea, back pain, and fatigue, are common during pregnancy. Sometimes it is hard to know what is normal. Call your doctor or midwife if something is bothering or worrying you.

  • Bed rest during pregnancy
  • Hydramnios
  • Hyperemesis gravidarum
  • Insufficient cervix
  • Placenta abruptio
  • Placenta abruptio
  • Placenta previa
  • Vaginal bleeding in early pregnancy
  • Vaginal bleeding in late pregnancy
  • Vaginal bleeding in pregnancy

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