ICD-9 Code 646.11

Edema or excessive weight gain in pregnancy, without mention of hypertension, delivered, with or without mention of antepartum complication

Not Valid for Submission

646.11 is a legacy non-billable code used to specify a medical diagnosis of edema or excessive weight gain in pregnancy, without mention of hypertension, delivered, with or without mention of antepartum complication. This code was replaced on September 30, 2015 by its ICD-10 equivalent.

ICD-9: 646.11
Short Description:Edema in preg-delivered
Long Description:Edema or excessive weight gain in pregnancy, without mention of hypertension, delivered, with or without mention of antepartum complication

Convert 646.11 to ICD-10

The following crosswalk between ICD-9 to ICD-10 is based based on the General Equivalence Mappings (GEMS) information:

  • O12.01 - Gestational edema, first trimester
  • O12.02 - Gestational edema, second trimester
  • O12.03 - Gestational edema, third trimester
  • O12.21 - Gestational edema with proteinuria, first trimester
  • O12.22 - Gestational edema with proteinuria, second trimester
  • O12.23 - Gestational edema with proteinuria, third trimester
  • O26.01 - Excessive weight gain in pregnancy, first trimester
  • O26.02 - Excessive weight gain in pregnancy, second trimester
  • O26.03 - Excessive weight gain in pregnancy, third trimester

Code Classification

  • Complications of pregnancy, childbirth, and the puerperium (630–679)
    • Complications mainly related to pregnancy (640-649)
      • 646 Other complications of pregnancy, not elsewhere classified

Information for Medical Professionals

Code Edits

The Medicare Code Editor (MCE) detects and reports errors in the coding of claims data. The following ICD-9 Code Edits are applicable to this code:

Information for Patients


Edema

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.


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Health Problems in Pregnancy

Every pregnancy has some risk of problems. You may have problems because of a health condition you had before you got pregnant. You could also develop a condition during pregnancy. Other causes of problems during pregnancy can include being pregnant with more than one baby, a health problem in a previous pregnancy, drug use during pregnancy, or being over age 35. Any of these can affect your health, the health of your baby, or both.

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. Some common health problems that can complicate a pregnancy include:

  • High blood pressure
  • Polycystic ovary syndrome
  • Kidney problems
  • Autoimmune disorders
  • Obesity
  • HIV/AIDS
  • 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 health care provider if something is bothering or worrying you.


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ICD-9 Footnotes

General Equivalence Map Definitions
The ICD-9 and ICD-10 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.

  • Approximate Flag - The approximate flag is on, indicating that the relationship between the code in the source system and the code in the target system is an approximate equivalent.
  • No Map Flag - The no map flag indicates that a code in the source system is not linked to any code in the target system.
  • Combination Flag - The combination flag indicates that more than one code in the target system is required to satisfy the full equivalent meaning of a code in the source system.