J00 ICD-10-CA code: Acute nasopharyngitis [common cold]
J00 is the ICD-10-CA code for “Acute nasopharyngitis [common cold]” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
J00Acute nasopharyngitis [common cold]
ICD-10-CA · Canada
Index terms
Entries in CIHI’s alphabetical index that lead to J00. Searching the index by the condition the note names is how coders reach this code.
- Cold
- Cold, virus
- Coryza (acute)
- Epipharyngitis
- Cold, common (head)
- Catarrh, catarrhal (inflammation)
- Rhinopharyngitis (acute) (subacute)
- Catarrh, catarrhal (inflammation), acute
- Catarrh, catarrhal (inflammation), febrile
- Catarrh, catarrhal (inflammation), infectious
- Nasopharyngitis (acute) (infective) (subacute)
- Rhinitis (catarrhal) (fibrinous) (membranous), acute
- Nasopharyngitis (acute) (infective) (subacute), septic
- Rhinitis (catarrhal) (fibrinous) (membranous), infective
- Catarrh, catarrhal (inflammation), nasal (chronic), acute
- Rhinitis (catarrhal) (fibrinous) (membranous), pneumococcal
- Nasopharyngitis (acute) (infective) (subacute), streptococcal
- Catarrh, catarrhal (inflammation), nasopharyngeal (chronic), acute
- Infection, infected (opportunistic), respiratory (tract) NEC, rhinovirus
Notes for J00
As CIHI prints them, with any note J00 takes from the headings above it.
Includes
- Coryza (acute)nasal catarrh, acutenasopharyngitis:• NOS• infective NOSrhinitis acute
Excludes
Conditions classified elsewhere.
- Nasopharyngitis, chronic (J31.1)pharyngitis:• NOS (J02.9)• acute (J02.-)• chronic (J31.2)rhinitis:• NOS (J31.0)• allergic (J30.1-J30.4)• chronic (J31.0)• vasomotor (J30.0)sore throat:• NOS (J02.9)• acute (J02.-)• chronic (J31.2)
- Chronic obstructive pulmonary disease with acute exacerbation NOS (J44.1)From J00-J06 Acute upper respiratory infections
- Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 10: Diseases of the respiratory system (J00-J99)
Note
- When a respiratory condition is described as occurring in more than one site and is not specifically indexed, it should be classified to the lower anatomic site (e.g., tracheobronchitis to bronchitis in J40).From Chapter 10: Diseases of the respiratory system (J00-J99)
Where J00 sits
- 1ChapterChapter 10: Diseases of the respiratory system (J00-J99)
- 2Block J00-J06Acute upper respiratory infections
- 3Valid code J00Acute nasopharyngitis [common cold]
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does ICD-10-CA code J00 mean?
J00 is the ICD-10-CA code for “Acute nasopharyngitis [common cold]” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is J00 in ICD-10-CA?
J00 sits under J00-J06 Acute upper respiratory infections, within Chapter 10: Diseases of the respiratory system (J00-J99).
What coding notes apply to J00?
ICD-10-CA lists Includes, Excludes, Note notes for J00, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.