ICD10BillableValid for clinical use

ICD-10 Code R34: Anuria and oliguria

R34 is a billable ICD-10 diagnosis code used to classify Anuria and oliguria in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99).

When is it used?

  • May be used when a clinician documents anuria and oliguria in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
block
R30-R39Symptoms and signs involving the genitourinary system
currentR30-R39

Official coding notes

Excludes1 (do not code together)
  • anuria and oliguria complicating abortion or ectopic or molar pregnancy (O00-O07, O08.4)
  • anuria and oliguria complicating pregnancy (O26.83-)
  • anuria and oliguria complicating the puerperium (O90.49)

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

General Physician

Coverage-related procedures and services

CPT 51726high
COMPLEX CYSTOMETROGRAM (IE, CALIBRATED ELECTRONIC EQUIPMENT);
Source: CMS coverage guidance
CPT 51727high
COMPLEX CYSTOMETROGRAM (IE, CALIBRATED ELECTRONIC EQUIPMENT); WITH URETHRAL PRESSURE PROFILE STUDIES (IE, URETHRAL CLOSURE PRESSURE PROFILE), ANY TECHNIQUE
Source: CMS coverage guidance
CPT 51729high
COMPLEX CYSTOMETROGRAM (IE, CALIBRATED ELECTRONIC EQUIPMENT); WITH VOIDING PRESSURE STUDIES (IE, BLADDER VOIDING PRESSURE) AND URETHRAL PRESSURE PROFILE STUDIES (IE, URETHRAL CLOSURE PRESSURE PROFILE), ANY TECHNIQUE
Source: CMS coverage guidance
CPT 51728high
COMPLEX CYSTOMETROGRAM (IE, CALIBRATED ELECTRONIC EQUIPMENT); WITH VOIDING PRESSURE STUDIES (IE, BLADDER VOIDING PRESSURE), ANY TECHNIQUE
Source: CMS coverage guidance
CPT 51741high
COMPLEX UROFLOWMETRY (EG, CALIBRATED ELECTRONIC EQUIPMENT)
Source: CMS coverage guidance
CPT 51725high
SIMPLE CYSTOMETROGRAM (CMG) (EG, SPINAL MANOMETER)
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
R34

Common synonyms

Anuria and oliguria

Frequently asked questions

Code details

CodeR34
SystemICD10
Display nameAnuria and oliguria
ChapterSymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
BlockSymptoms and signs involving the genitourinary system

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
AnuriaDeficiency, deficientIschuriaOliguriaSecretionSuppressionUrineUrodialysis

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code R34 for Anuria and oliguria | HealthAssure