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ICD-10 Code R61: Generalized hyperhidrosis

R61 is a billable ICD-10 diagnosis code used to classify Generalized hyperhidrosis 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 generalized hyperhidrosis 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
R50-R69General symptoms and signs
currentR50-R69

Official coding notes

Inclusion terms
  • Excessive sweating
  • Night sweats
  • Secondary hyperhidrosis
Applicable to
  • , if applicable, menopausal and female climacteric states (N95.1)
Excludes1 (do not code together)
  • focal (primary) (secondary) hyperhidrosis (L74.5-)
  • Frey's syndrome (L74.52)
  • localized (primary) (secondary) hyperhidrosis (L74.5-)
Code first
  • , if applicable, menopausal and female climacteric states (N95.1)

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 95921high
TESTING OF AUTONOMIC NERVOUS SYSTEM FUNCTION; CARDIOVAGAL INNERVATION (PARASYMPATHETIC FUNCTION), INCLUDING 2 OR MORE OF THE FOLLOWING: HEART RATE RESPONSE TO DEEP BREATHING WITH RECORDED R-R INTERVAL, VALSALVA RATIO, AND 30:15 RATIO
Source: CMS coverage guidance
CPT 95924high
TESTING OF AUTONOMIC NERVOUS SYSTEM FUNCTION; COMBINED PARASYMPATHETIC AND SYMPATHETIC ADRENERGIC FUNCTION TESTING WITH AT LEAST 5 MINUTES OF PASSIVE TILT
Source: CMS coverage guidance
CPT 95923high
TESTING OF AUTONOMIC NERVOUS SYSTEM FUNCTION; SUDOMOTOR, INCLUDING 1 OR MORE OF THE FOLLOWING: QUANTITATIVE SUDOMOTOR AXON REFLEX TEST (QSART), SILASTIC SWEAT IMPRINT, THERMOREGULATORY SWEAT TEST, AND CHANGES IN SYMPATHETIC SKIN POTENTIAL
Source: CMS coverage guidance
CPT 95922high
TESTING OF AUTONOMIC NERVOUS SYSTEM FUNCTION; VASOMOTOR ADRENERGIC INNERVATION (SYMPATHETIC ADRENERGIC FUNCTION), INCLUDING BEAT-TO-BEAT BLOOD PRESSURE AND R-R INTERVAL CHANGES DURING VALSALVA MANEUVER AND AT LEAST 5 MINUTES OF PASSIVE TILT
Source: CMS coverage guidance
CPT 93010high
ELECTROCARDIOGRAM, ROUTINE ECG WITH AT LEAST 12 LEADS; INTERPRETATION AND REPORT ONLY
Source: CMS coverage guidance
CPT 93005high
ELECTROCARDIOGRAM, ROUTINE ECG WITH AT LEAST 12 LEADS; TRACING ONLY, WITHOUT INTERPRETATION AND REPORT
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
R61

Common synonyms

Generalized hyperhidrosis

Frequently asked questions

Code details

CodeR61
SystemICD10
Display nameGeneralized hyperhidrosis
ChapterSymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
BlockGeneral symptoms and signs

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Diaphoresis(excessive)Excess, excessive, excessivelyExcess, excessive, excessivelyHyperhidrosis, hyperidrosisHyperhidrosis, hyperidrosisHyperhidrosis, hyperidrosisNightSweat, sweatsSweating, excessive

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 R61 for Generalized hyperhidrosis | HealthAssure