ICD-9 Code 646.24

Unspecified renal disease in pregnancy, without mention of hypertension, postpartum condition or complication

Not Valid for Submission

646.24 is a legacy non-billable code used to specify a medical diagnosis of unspecified renal disease in pregnancy, without mention of hypertension, postpartum condition or complication. This code was replaced on September 30, 2015 by its ICD-10 equivalent.

ICD-9: 646.24
Short Description:Renal dis NOS-postpartum
Long Description:Unspecified renal disease in pregnancy, without mention of hypertension, postpartum condition or complication

Convert 646.24 to ICD-10

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

  • O90.89 - Oth complications of the puerperium, NEC

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


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
  • Morning sickness
  • Morning sickness
  • Placenta abruptio
  • Placenta abruptio
  • Placenta previa
  • Polyhydramnios
  • Serum progesterone
  • Striae
  • Vaginal bleeding in early pregnancy
  • Vaginal bleeding in late pregnancy
  • Vaginal bleeding in pregnancy

[Read More]

Kidney Diseases

Also called: Renal disease

Your kidneys are two bean-shaped organs, each about the size of your fists. They are located near the middle of your back, just below the rib cage. Inside each kidney about a million tiny structures called nephrons filter blood. They remove waste products and extra water, which become urine. The urine flows through tubes called ureters to your bladder, which stores the urine until you go to the bathroom.

Most kidney diseases attack the nephrons. This damage may leave kidneys unable to remove wastes. Causes can include genetic problems, injuries, or medicines. You are at greater risk for kidney disease if you have diabetes, high blood pressure, or a close family member with kidney disease. Chronic kidney disease damages the nephrons slowly over several years. Other kidney problems include:

  • Cancer
  • Cysts
  • Stones
  • Infections

Your doctor can run tests to find out if you have kidney disease. If your kidneys fail completely, a kidney transplant or dialysis can replace the work your kidneys normally do.

NIH: National Institute of Diabetes and Digestive and Kidney Diseases

  • 24-hour urine protein
  • Abdominal MRI
  • Abdominal tap
  • ACE inhibitors
  • Acid loading test (pH)
  • Acute nephritic syndrome
  • Albumin - serum
  • Analgesic nephropathy
  • Atheroembolic renal disease
  • Bartter syndrome
  • Basic metabolic panel
  • Bilateral hydronephrosis
  • BUN
  • Congenital nephrotic syndrome
  • Creatinine - urine
  • Distal renal tubular acidosis
  • Focal segmental glomerulosclerosis
  • Glomerular filtration rate
  • Glomerulonephritis
  • Goodpasture syndrome
  • IgA nephropathy
  • Injury - kidney and ureter
  • Interstitial nephritis
  • Kidney biopsy
  • Kidney removal
  • Kidney removal - discharge
  • Medicines and Kidney Disease - NIH (National Kidney Disease Education Program)
  • Membranoproliferative GN I
  • Membranous nephropathy
  • Microalbuminuria test
  • Minimal change disease
  • Nephrocalcinosis
  • Nephrotic syndrome
  • Obstructive uropathy
  • Perirenal abscess
  • Protein urine test
  • Proximal renal tubular acidosis
  • Reflux nephropathy
  • Renal arteriography
  • Renal papillary necrosis
  • Renal perfusion scintiscan
  • Renal scan
  • Renal vein thrombosis
  • Renal venogram
  • Total protein
  • Unilateral hydronephrosis
  • Urinary casts

[Read More]

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.