ICD10BillableValid for clinical use
ICD-10 Code J06.9: Acute upper respiratory infection, unspecified
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 upper respiratory infection, unspecified 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
category
J06Acute upper respiratory infections of multiple and unspecified sites
currentJ06
Official coding notes
Inclusion terms
- Upper respiratory disease, acute
- Upper respiratory infection NOS
Applicable to
- code (B95-B97) to identify infectious agent, if known, such as:
- respiratory syncytial virus (RSV) (B97.4)
Use additional code
- code (B95-B97) to identify infectious agent, if known, such as:
- respiratory syncytial virus (RSV) (B97.4)
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 PhysicianInfectious Disease Specialist
Related codes
Sibling codes
Coverage-related procedures and services
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 87801high
INFECTIOUS AGENT DETECTION BY NUCLEIC ACID (DNA OR RNA), MULTIPLE ORGANISMS; AMPLIFIED PROBE(S) TECHNIQUE
Source: CMS coverage guidance
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 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
Mapped diagnoses and classifications
SNOMED_CT 54398005high
Acute upper respiratory infection
Source: SNOMED International ICD-10 map
SNOMED_CT 903729901000119103high
Acute upper respiratory infection caused by respiratory syncytial virus
Source: SNOMED International ICD-10 map
SNOMED_CT 312118003high
Bacterial upper respiratory infection
Source: SNOMED International ICD-10 map
SNOMED_CT 129134004high
Inflammatory disorder of upper respiratory tract
Source: SNOMED International ICD-10 map
SNOMED_CT 14310000high
Purulent nasal discharge
Source: SNOMED International ICD-10 map
SNOMED_CT 1010246006high
Recurrent infection of upper respiratory tract caused by bacteria
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
J06.9
Common synonyms
Acute upper respiratory infection, unspecifiedAcute upper respiratory infection
Frequently asked questions
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.