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ICD-10 Code R09.81: Nasal congestion

R09.81 is a billable ICD-10 diagnosis code used to classify Nasal congestion 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 nasal congestion 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
R00-R09Symptoms and signs involving the circulatory and respiratory systems
category
R09Other symptoms and signs involving the circulatory and respiratory system
category
R09.8Other specified symptoms and signs involving the circulatory and respiratory systems
currentR09.8

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 30460high
RHINOPLASTY FOR NASAL DEFORMITY SECONDARY TO CONGENITAL CLEFT LIP AND/OR PALATE, INCLUDING COLUMELLAR LENGTHENING; TIP ONLY
Source: CMS coverage guidance
CPT 30462high
RHINOPLASTY FOR NASAL DEFORMITY SECONDARY TO CONGENITAL CLEFT LIP AND/OR PALATE, INCLUDING COLUMELLAR LENGTHENING; TIP, SEPTUM, OSTEOTOMIES
Source: CMS coverage guidance
CPT 30410high
RHINOPLASTY, PRIMARY; COMPLETE, EXTERNAL PARTS INCLUDING BONY PYRAMID, LATERAL AND ALAR CARTILAGES, AND/OR ELEVATION OF NASAL TIP
Source: CMS coverage guidance
CPT 30420high
RHINOPLASTY, PRIMARY; INCLUDING MAJOR SEPTAL REPAIR
Source: CMS coverage guidance
CPT 30400high
RHINOPLASTY, PRIMARY; LATERAL AND ALAR CARTILAGES AND/OR ELEVATION OF NASAL TIP
Source: CMS coverage guidance
CPT 30435high
RHINOPLASTY, SECONDARY; INTERMEDIATE REVISION (BONY WORK WITH OSTEOTOMIES)
Source: CMS coverage guidance

Coding guidelines

Common synonyms

Nasal congestion

Frequently asked questions

Code details

CodeR09.81
SystemICD10
Display nameNasal congestion
ChapterSymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
BlockSymptoms and signs involving the circulatory and respiratory systems

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Congestion, congestiveCongestion, congestive

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 R09.81 for Nasal congestion | HealthAssure