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ICD-10 Guide
ICD-10 CodesN14.1

N14.1

Billable

Nephropathy induced by other drugs, medicaments and biological substances

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/18/2025

Code Description

ICD-10 N14.1 is a billable code used to indicate a diagnosis of nephropathy induced by other drugs, medicaments and biological substances.

Key Diagnostic Point:

Nephropathy induced by other drugs, medicaments, and biological substances refers to kidney damage resulting from exposure to various pharmacological agents. This condition can manifest as acute interstitial nephritis, which is characterized by inflammation of the kidney interstitium, often triggered by medications such as non-steroidal anti-inflammatory drugs (NSAIDs), antibiotics, or diuretics. Pyelonephritis, an infection of the kidney, may also occur as a secondary complication due to urinary tract obstruction or reflux, often exacerbated by drug-induced changes in urinary flow or composition. Hydronephrosis, the swelling of a kidney due to a build-up of urine, can result from obstruction caused by drug-related effects. Drug-induced nephropathy is a significant concern in patients receiving multiple medications, particularly those with pre-existing renal impairment. Urinary tract infections (UTIs) may arise as a consequence of altered urinary tract dynamics, leading to further renal complications. Management typically involves discontinuation of the offending agent, supportive care, and, in some cases, antibiotic therapy to address secondary infections. Monitoring renal function is crucial in these patients to prevent progression to chronic kidney disease.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of drugs that can induce nephropathy
  • Need for detailed patient medication history
  • Differentiation from other types of nephropathy
  • Potential for multiple concurrent diagnoses

Audit Risk Factors

  • Inadequate documentation of drug history
  • Failure to specify the type of nephropathy
  • Lack of evidence for drug causation
  • Misclassification of nephropathy type

Specialty Focus

Medical Specialties

Nephrology

Documentation Requirements

Comprehensive medication history, renal function tests, and clinical notes detailing the timeline of drug exposure and nephropathy onset.

Common Clinical Scenarios

Patients presenting with acute kidney injury following new medication initiation or dose adjustment.

Billing Considerations

Ensure clear documentation of the suspected drug and its relationship to renal impairment.

Infectious Disease

Documentation Requirements

Detailed records of urinary tract infections, including culture results and antibiotic susceptibility.

Common Clinical Scenarios

Patients with recurrent UTIs and a history of nephrotoxic drug use.

Billing Considerations

Document the rationale for antibiotic choice and any adjustments based on renal function.

Coding Guidelines

Inclusion Criteria

Use N14.1 When
  • Follow ICD
  • CM guidelines for coding nephropathy, ensuring accurate documentation of the drug involved and the clinical context
  • Include any relevant laboratory results and patient history to support the diagnosis

Exclusion Criteria

Do NOT use N14.1 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

81002CPT Code

Urinalysis, automated, with microscopy

Clinical Scenario

Used to evaluate renal function and detect urinary tract infections in patients with suspected drug-induced nephropathy.

Documentation Requirements

Document the reason for urinalysis and any relevant findings.

Specialty Considerations

Nephrologists should correlate urinalysis results with renal function tests.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of drug-induced nephropathy, improving the ability to track and manage these cases effectively. It emphasizes the importance of detailed documentation regarding medication history and renal function.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of drug-induced nephropathy, improving the ability to track and manage these cases effectively. It emphasizes the importance of detailed documentation regarding medication history and renal function.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of drug-induced nephropathy, improving the ability to track and manage these cases effectively. It emphasizes the importance of detailed documentation regarding medication history and renal function.

Resources

Clinical References

  • •
    American Academy of Nephrology

Coding & Billing References

  • •
    American Academy of Nephrology

Frequently Asked Questions

What types of drugs can cause nephropathy?

Various medications can induce nephropathy, including NSAIDs, certain antibiotics (like penicillins and cephalosporins), diuretics, and chemotherapeutic agents. It's essential to review the patient's medication history to identify potential culprits.