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ICD-10 Code J00: Acute nasopharyngitis [common cold]

J00 is a billable ICD-10 diagnosis code used to classify Acute nasopharyngitis [common cold] 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 Diseases of the respiratory system (J00-J99).

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 Diseases of the respiratory system (J00-J99).

When is it used?

  • May be used when a clinician documents acute nasopharyngitis [common cold] 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
10Diseases of the respiratory system (J00-J99)
block
J00-J06Acute upper respiratory infections
currentJ00-J06

Official coding notes

Inclusion terms
  • Acute rhinitis
  • Coryza (acute)
  • Infective nasopharyngitis NOS
  • Infective rhinitis
  • Nasal catarrh, acute
  • Nasopharyngitis NOS
Excludes1 (do not code together)
  • acute pharyngitis (J02.-)
  • acute sore throat NOS (J02.9)
  • influenza virus with other respiratory manifestations (J09.X2, J10.1, J11.1)
  • pharyngitis NOS (J02.9)
  • rhinitis NOS (J31.0)
  • sore throat NOS (J02.9)
Excludes2 (may code together if documented)
  • allergic rhinitis (J30.1-J30.9)
  • chronic pharyngitis (J31.2)
  • chronic rhinitis (J31.0)
  • chronic sore throat (J31.2)
  • nasopharyngitis, chronic (J31.1)
  • vasomotor rhinitis (J30.0)

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

PulmonologistGeneral Physician

Coverage-related procedures and services

CPT 87428high
INFECTIOUS AGENT ANTIGEN DETECTION BY IMMUNOASSAY TECHNIQUE (EG, ENZYME IMMUNOASSAY [EIA], ENZYME-LINKED IMMUNOSORBENT ASSAY [ELISA], FLUORESCENCE IMMUNOASSAY [FIA], IMMUNOCHEMILUMINOMETRIC ASSAY [IMCA]), QUALITATIVE OR SEMIQUANTITATIVE; SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS (EG, SARS-COV, SARS-COV-2 [COVID-19]) AND INFLUENZA VIRUS TYPES A AND B
Source: CMS coverage guidance
CPT 87631high
INFECTIOUS AGENT DETECTION BY NUCLEIC ACID (DNA OR RNA); RESPIRATORY VIRUS (EG, ADENOVIRUS, INFLUENZA VIRUS, CORONAVIRUS, METAPNEUMOVIRUS, PARAINFLUENZA VIRUS, RESPIRATORY SYNCYTIAL VIRUS, RHINOVIRUS), INCLUDES MULTIPLEX REVERSE TRANSCRIPTION, WHEN PERFORMED, AND MULTIPLEX AMPLIFIED PROBE TECHNIQUE, MULTIPLE TYPES OR SUBTYPES, 3-5 TARGETS
Source: CMS coverage guidance
CPT 87636high
INFECTIOUS AGENT DETECTION BY NUCLEIC ACID (DNA OR RNA); SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS 2 (SARS-COV-2) (CORONAVIRUS DISEASE [COVID-19]) AND INFLUENZA VIRUS TYPES A AND B, MULTIPLEX AMPLIFIED PROBE TECHNIQUE
Source: CMS coverage guidance
CPT 87637high
INFECTIOUS AGENT DETECTION BY NUCLEIC ACID (DNA OR RNA); SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS 2 (SARS-COV-2) (CORONAVIRUS DISEASE [COVID-19]), INFLUENZA VIRUS TYPES A AND B, AND RESPIRATORY SYNCYTIAL VIRUS, MULTIPLEX AMPLIFIED PROBE TECHNIQUE
Source: CMS coverage guidance
CPT 87812high
INFECTIOUS AGENT ANTIGEN DETECTION BY IMMUNOASSAY WITH DIRECT OPTICAL (IE, VISUAL) OBSERVATION; SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS 2 (SARS-COV-2) (CORONAVIRUS DISEASE [COVID-19]) AND INFLUENZA VIRUS TYPES A AND B
Source: CMS coverage guidance
CPT 87913high
INFECTIOUS AGENT GENOTYPE ANALYSIS BY NUCLEIC ACID (DNA OR RNA); SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS 2 (SARS-COV-2) (CORONAVIRUS DISEASE [COVID-19]), MUTATION IDENTIFICATION IN TARGETED REGION(S)
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
J00

Common synonyms

Acute nasopharyngitis [common cold]

Frequently asked questions

Code details

CodeJ00
SystemICD10
Display nameAcute nasopharyngitis [common cold]
ChapterDiseases of the respiratory system (J00-J99)
BlockAcute upper respiratory infections

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Catarrh, catarrhal(acute) (febrile) (infectious) (inflammation)Catarrh, catarrhal(acute) (febrile) (infectious) (inflammation)ColdColdColdColdColdCommonCoryza(acute)Drip, postnasal(chronic)Fever(inanition) (of unknown origin) (persistent) (with chills) (with rigor)Infection, infected, infective(opportunistic)
See also
condition

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 J00 for Acute nasopharyngitis [common cold] | HealthAssure