ICD Code N18.30

ICD code N18.30 is used to identify a diagnosis of chronic kidney disease (CKD) at stage 3, but without specifying whether it is stage 3a or 3b. This code is applied when a patient has moderate kidney damage, characterized by a decrease in the glomerular filtration rate (GFR) to between 30 and 59 mL/min/1.73 m², but further details about the specific stage within stage 3 are not provided. It is crucial for healthcare providers to use this code accurately for proper documentation, treatment planning, and reimbursement processes.

1. Decreased Glomerular Filtration Rate (GFR): The patient exhibits a GFR of 30-59 mL/min/1.73 m², indicating moderate reduction in kidney function. This range is typically associated with stage 3 chronic kidney disease.

2. Persistent Albuminuria: The presence of albumin in the urine is detected consistently over a period of time, suggesting kidney damage.

3. Elevated Serum Creatinine Levels: Blood tests reveal increased levels of creatinine, a waste product that the kidneys usually filter out, indicating impaired kidney function.

4. Hypertension: The patient has a history of high blood pressure, which is a common comorbidity and risk factor for chronic kidney disease.

5. Fatigue and Weakness: The patient reports persistent tiredness and a general feeling of weakness, which can be symptoms associated with reduced kidney function.

6. Swelling (Edema): The patient experiences swelling in the lower extremities, face, or hands due to fluid retention, a common symptom of kidney dysfunction.

7. Changes in Urination: The patient notices changes in urination patterns, such as increased frequency, foamy urine, or dark-colored urine, which may indicate kidney issues.

8. History of Diabetes: The patient has a history of diabetes, which is a significant risk factor for the development of chronic kidney disease.

9. Bone and Mineral Disorders: The patient may exhibit signs of bone pain or mineral imbalances, as kidney disease can affect calcium and phosphorus metabolism.

10. Family History of Kidney Disease: There is a known family history of kidney disease, which can increase the risk of developing chronic kidney disease.

These criteria and symptoms should be evaluated by healthcare providers to determine the appropriate use of the ICD code for chronic kidney disease, stage 3 unspecified.

For the ICD code N18.30, which pertains to chronic kidney disease, stage 3 unspecified, the relevant CPT codes that may be applicable for treatment and management include:

1. CPT 99201-99215: These codes are used for office or other outpatient visits for the evaluation and management of a patient. The specific code within this range would depend on the complexity and time spent during the visit.

2. CPT 90945-90947: These codes are used for dialysis services, which may be relevant depending on the patient's condition and treatment plan.

3. CPT 80047-80076: These codes cover basic metabolic panels and comprehensive metabolic panels, which are often used to monitor kidney function and electrolyte balance.

4. CPT 85025: This code is for a complete blood count (CBC) with differential, which may be used to monitor overall health and detect a variety of disorders, including kidney-related issues.

5. CPT 84132: This code is for serum creatinine testing, which is a key indicator of kidney function.

6. CPT 82043: This code is for urine microalbumin testing, which can help in assessing kidney damage.

7. CPT 84443: This code is for thyroid-stimulating hormone (TSH) testing, which may be relevant if thyroid function needs to be assessed as part of the overall management of the patient's condition.

These CPT codes are examples of the types of procedures and services that might be billed in conjunction with the management of a patient with ICD code N18.30. The specific codes used would depend on the individual patient's treatment plan and the services provided.

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