U.S. ICD-10-CM · FY 2027

R33 ICD-10-CM Code: Retention of urine

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

R33

Retention of urine

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where R33 sits

  1. 1

    Chapter 18

    Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

  2. 2

    Section

    Symptoms and signs involving the genitourinary system (R30-R39)

  3. 3

    Category R33

    Retention of urine

  4. 4

    Code R33

    Retention of urine

More specific choices

Codes under R33

R33 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for R33.

Code first

No “code first” instruction is listed for R33.

Use additional code

No “use additional code” instruction is listed for R33.

Excludes1

Conditions that should not be reported together with this code.

  • psychogenic retention of urine (F45.8)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for R33.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code R33 mean?

R33 is the FY 2027 U.S. ICD-10-CM code for “Retention of urine.”

Is R33 a billable or specific ICD-10-CM code?

No. R33 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is R33 located in ICD-10-CM?

R33 is listed in Chapter 18, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), within Symptoms and signs involving the genitourinary system (R30-R39) (R30–R39), under category R33, Retention of urine.

What coding notes are listed for R33?

No inclusion terms are listed for R33 in this reference record. No code-first instruction is listed. Excludes1 notes: psychogenic retention of urine (F45.8). No Excludes2 note is listed.

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