ICD-10 Guide

Acute Cystitis Without Hematuria

ICD-10 Coding for Acute Cystitis Without Hematuria(N30.00)

PRIMARY SPECIALTYPrimary Care

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Acute Cystitis Without Hematuria?

Acute cystitis without hematuria is an inflammation of the bladder that occurs without the presence of blood in the urine. It is commonly caused by bacterial infections, particularly Escherichia coli, and is characterized by symptoms such as dysuria, increased urinary frequency, and urgency. Key clinical points include: 1) It predominantly affects women due to anatomical factors; 2) Risk factors include sexual activity, certain contraceptive methods, and urinary tract abnormalities; 3) Diagnosis is often clinical but can be supported by urinalysis showing leukocytes and nitrites. Typical use cases for this diagnosis code include outpatient visits for urinary symptoms without hematuria, where a urinary tract infection is suspected. The pathophysiology involves bacterial invasion of the bladder epithelium, leading to inflammation and irritation. Clinically, patients may present with suprapubic pain and discomfort, but without hematuria, which differentiates it from other forms of cystitis.

Key Clinical Considerations:

Diagnosis requires clinical evidence of urinary symptoms such as dysuria, urgency, and frequency, without hematuria.
Signs and symptoms include suprapubic pain, burning sensation during urination, and increased urinary frequency.
Resolution criteria include the absence of symptoms following appropriate antibiotic treatment.
Laboratory findings may include positive urine culture for bacteria and urinalysis showing leukocyte esterase and nitrites.

Clinical Information

Clinical Criteria & Documentation Requirements

Essential documentation includes a clear statement of symptoms, clinical findings, and any diagnostic tests performed.
Compliant documentation: 'Patient presents with dysuria and urgency; urinalysis shows leukocytes.' Non-compliant: 'Patient has a bladder issue.'
Documentation template phrases include: 'Patient diagnosed with acute cystitis based on urinalysis findings.'
Medical necessity documentation should justify the need for testing and treatment based on clinical presentation.

Coding Guidelines

Usage Guidelines & Examples

Use this code when a patient presents with urinary symptoms consistent with acute cystitis without hematuria, such as in outpatient settings.
Do NOT use this code if hematuria is present, as it may indicate a different diagnosis requiring a different code.
Correct usage example: 'Patient diagnosed with acute cystitis without hematuria after urinalysis.' Incorrect: 'Patient has hematuria and cystitis.'
Common coding errors include misclassifying cystitis with hematuria; ensure to review urinalysis results before coding.

Code Exclusions

Important Exclusions

Excluded conditions include acute cystitis with hematuria (N30.01) and chronic cystitis (N30.10).
Alternative codes for exclusions may include N20 for urinary stones or N30.9 for unspecified cystitis.
Common exclusion errors involve misdiagnosing cystitis with hematuria; verify urinalysis results.
Certain conditions are excluded to ensure accurate coding and treatment pathways, as hematuria indicates a different clinical concern.

Specialty Focus

Primary Specialty

Primary Care

Specialty Applications

This diagnosis applies to patients presenting with urinary symptoms indicative of cystitis without hematuria.
Clinical scenarios include outpatient visits for UTI symptoms, particularly in women.
Practice settings include outpatient clinics, urgent care centers, and primary care offices.
Specialty-specific considerations may involve urology for recurrent cases or complications.

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

Comprehensive clinical documentation
Accurate code selection based on clinical criteria
Proper exclusion considerations
Specialty-specific coding guidelines

Documentation

Documentation Templates

Template 1

Template: 'Acute cystitis diagnosed based on urinalysis findings showing leukocytes and nitrites.'

Template 2

Template: 'Patient presents with dysuria and urgency consistent with acute cystitis diagnosis.'

Template 3

Template: 'Diagnostic criteria met: Urinalysis positive for bacteria, no hematuria present.'

Template 4

Template: 'Treatment plan includes antibiotics for acute cystitis without hematuria.'

Billing Information

Billing Considerations

Ensure proper documentation for billing
Verify code specificity requirements
Check for any additional codes needed
Review payer-specific guidelines

Common Issues

Insufficient clinical documentation
Incorrect code selection
Missing supporting diagnoses
Timing and frequency documentation

Frequently Asked Questions

What documentation is required for this code?

Documentation must include patient symptoms, urinalysis results, and clinical findings supporting the diagnosis.

When should this code be used vs similar codes?

Use this code specifically for acute cystitis without hematuria; use N30.01 if hematuria is present.

What are common billing issues with this code?

Common issues include claim denials for lack of supporting documentation; ensure thorough clinical notes.

What procedures are commonly associated?

Related CPT codes may include urinalysis (81000) and urine culture (87086) for diagnostic purposes.

What is Acute Cystitis Without Hematuria?

Key Clinical Considerations:

Diagnosis requires clinical evidence of urinary symptoms such as dysuria, urgency, and frequency, without hematuria.
Signs and symptoms include suprapubic pain, burning sensation during urination, and increased urinary frequency.
Resolution criteria include the absence of symptoms following appropriate antibiotic treatment.
Laboratory findings may include positive urine culture for bacteria and urinalysis showing leukocyte esterase and nitrites.

Acute Cystitis Without Hematuria

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Template 1

Template 2

Template 3

Template 4

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

What documentation is required for this code?

When should this code be used vs similar codes?

What are common billing issues with this code?

What procedures are commonly associated?

Acute Cystitis Without Hematuria

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Template 1

Template 2

Template 3

Template 4

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

What documentation is required for this code?

When should this code be used vs similar codes?

What are common billing issues with this code?

What procedures are commonly associated?