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ICD-10 Coding for Ketonuria(R82.2)

Complete ICD-10-CM coding and documentation guide for Ketonuria. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Ketone bodies in urineUrinary ketones

Related ICD-10 Code Ranges

Complete code families applicable to Ketonuria

R80-R82Primary Range

Abnormal findings on examination of urine, without diagnosis

This range includes codes for abnormal urine findings, including ketonuria.

Diabetes mellitus

Ketonuria often occurs as a symptom of diabetic ketoacidosis, which is coded within this range.

Symptoms and signs concerning food and fluid intake

Starvation-related ketonuria is coded within this range.

Other maternal disorders predominantly related to pregnancy

Gestational ketonuria is coded within this range.

Key Information: ICD-10 code for ketonuria

Essential facts and insights about Ketonuria

The ICD-10 code for ketonuria is R82.2, used for the presence of ketones in urine without a specified cause.

Primary ICD-10-CM Code for ketonuria

Ketonuria
Billable Code

Decision Criteria

clinical Criteria

  • Presence of ketones in urine without identified cause

coding Criteria

  • Documented ketonuria with no other specified condition

Applicable To

  • Presence of ketone bodies in urine

Excludes

Clinical Validation Requirements

  • Urine dipstick showing ≥1+ ketones
  • Clinical context such as fasting or pregnancy

Code-Specific Risks

  • Incorrectly using as a primary code when an underlying condition exists

Coding Notes

  • Ensure the underlying cause of ketonuria is documented and coded first.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Type 2 diabetes mellitus with ketoacidosis

E11.11
Use as a primary code when ketonuria is due to diabetic ketoacidosis.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Other abnormal glucose

R73.09
Use when hyperglycemia is present without ketonuria.

Other disorders of plasma-protein metabolism

E88.09
Use for metabolic disorders not involving ketonuria.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Ketonuria to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code R82.2.

Impact

Clinical: Inadequate clinical picture., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials.

Mitigation Strategy

Always include the clinical context and underlying condition., Use templates to ensure comprehensive documentation.

Impact

Reimbursement: Incorrect DRG assignment leading to potential underpayment., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation Strategy

Always code the underlying condition first, such as diabetes or starvation.

Impact

Failure to code the underlying condition first.

Mitigation Strategy

Regular training on coding guidelines and sequencing rules.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Ketonuria, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Ketonuria

Use these documentation templates to ensure complete and accurate documentation for Ketonuria. These templates include all required elements for proper coding and billing.

Diabetic Ketoacidosis with Ketonuria

Specialty: Endocrinology

Required Elements

  • Patient history
  • Physical examination
  • Lab results
  • Assessment
  • Plan

Example Documentation

Patient presents with polyuria and fruity breath. Labs show glucose 480 mg/dL, serum β-hydroxybutyrate 5.1 mmol/L, pH 7.12, urine ketones 4+. Diagnosis: E10.11 with R82.2.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has ketones in urine.
Good Documentation Example
Patient with Type 1 DM presents with DKA: glucose 420 mg/dL, urine ketones 4+, pH 7.18.
Explanation
The good example provides specific lab values and links ketonuria to DKA.

Need help with ICD-10 coding for Ketonuria? Ask your questions below.

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