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Home/Diagnosis/ICD-10 Coding for Chronic Kidney Disease Stage 3a

ICD-10 Coding for Chronic Kidney Disease Stage 3a

N18.31

Complete ICD-10-CM coding and documentation guide for icd-10 coding for chronic kidney disease stage 3a includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
CKD 3a
Moderate Chronic Kidney Disease
ckd3a
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Key Information: ICD-10 Coding for Chronic Kidney Disease Stage 3a

Essential facts and insights about ICD-10 Coding for Chronic Kidney Disease Stage 3a

Use ICD-10 code N18.31 for chronic kidney disease, stage 3a, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Chronic kidney disease, stage 3a

Billable Code
N18.31
Billable

Diagnostic Criteria

clinical:
  • • eGFR between 45-59 mL/min
documentation:
  • • Provider documentation confirming CKD stage 3a

Applicable To

  • • Moderate CKD with eGFR 45-59 mL/min

Important Notes

  • • Ensure to document the underlying cause of CKD and use the appropriate sequencing.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z79.84

Long-term use of oral hypoglycemics

Use when CKD is linked to diabetes and patient is on oral hypoglycemics.

Z94.0

Kidney transplant status

Use if the patient has a history of kidney transplant.

Frequently Asked Questions

What is the ICD-10 code for chronic kidney disease stage 3a?

The ICD-10 code for chronic kidney disease stage 3a is N18.31, which indicates an eGFR between 45-59 mL/min.

How do you document CKD stage 3a?

Document CKD stage 3a by including eGFR values, underlying causes like diabetes or hypertension, and a management plan.

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