What is the ICD-10 code for frequent urination?

The ICD-10 code for frequent urination is R35.0, used when increased frequency is the primary symptom without underlying conditions like UTI or diabetes.

How do you code nocturia in ICD-10?

Nocturia is coded as R35.1 in ICD-10, used when nighttime urination is the sole complaint without daytime frequency.

ICD-10 Coding for Frequent Urination(R35.0, N39.3, N39.41)

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Explore ICD-10 coding for frequent urination, including R35.0 and R35.1. Learn about documentation requirements and coding pitfalls.

Also known as:

Increased Urinary FrequencyPolyuriaNocturia

Related ICD-10 Code Ranges

Complete code families applicable to Frequent Urination

R00-R99Primary Range

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
R35.0	Frequency of micturition	Use when increased frequency is the primary symptom without underlying conditions like UTI or diabetes.	Voiding frequency ≥8 times per day Urinalysis negative for infection Normal urine output (<3L/day)
R35.1	Nocturia	Use when nocturia is the sole complaint without daytime frequency.	≥2 nightly voids disrupting sleep Normal daytime voiding pattern
N39.41	Urge incontinence	Use when urge incontinence is diagnosed, often alongside frequency.	Urgency with incontinence episodes Bladder diary confirmation

Primary ICD-10-CM Codes

Frequency of micturition

R35.0Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Other specified symptoms and signs involving the urinary systemR35.8

Documentation & Coding Risks

Avoid these common issues when documenting Frequent Urination.

Vague symptom description

Impact

Clinical: May lead to misdiagnosis., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials.

Mitigation

Use specific symptom counts and volumes, Document negative test results

Using R35.0 for polyuria

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data affecting patient care.

Mitigation

Use R35.8 for polyuria when urine output exceeds 3L/day.

Incorrect primary code selection

Impact

Using R35.0 when an underlying condition is present.

Mitigation

Ensure thorough review of patient history and test results.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with R35.0.

Primary Code

R35.0

Frequency of micturition

Quick Navigation

ICD-10 codes6

Coding risks3

FAQs2

ICD-10 Coding for Frequent Urination(R35.0, N39.3, N39.41)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for frequent urination?

How do you code nocturia in ICD-10?

Related condition guides