J16.0
BillableChlamydial pneumonia
Chlamydial pneumonia
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •smoke inhalationT59.81
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •allergic or eosinophilic pneumoniaJ82
- •aspiration pneumonia NOSJ69.0
- •meconium pneumoniaP24.01
- •neonatal aspiration pneumoniaP24
- •pneumonia due to solids and liquidsJ69
- •congenital pneumoniaP23.9
- •lipid pneumoniaJ69.1
- •rheumatic pneumoniaI00
- •ventilator associated pneumoniaJ95.851
Code First
The underlying condition must be sequenced before this code
Use Additional Code
Additional codes that should follow this code
- code, where applicable, to identify:
- •exposure to environmental tobacco smokeZ77.22
- •exposure to tobacco smoke in the perinatal periodP96.81
- •history of tobacco dependenceZ87.891
- •occupational exposure to environmental tobacco smokeZ57.31
- •tobacco dependenceF17
- •tobacco useZ72.0
- •code, if applicable, to identify resistance to antimicrobial drugsZ16
Code Also
A second code may be required; sequencing depends on circumstances
- , if applicable, any associated condition such as:
- •abscessJ85.1
- •aspiration pneumoniaJ69
Related Conditions
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(34)
SNOMED CT
UMLS
- Chlamydia pneumoniae pneumoniaC0339959
- Chlamydial PneumoniaC0339959
- Chlamydial PneumoniasC0339959
- Chlamydial pneumoniaC0339959
- Chlamydophila PneumoniaC0339959
- Chlamydophila PneumoniasC0339959
- Pneumonia caused by ChlamydiaceaeC0339959
- Pneumonia caused by Chlamydiaceae (disorder)C0339959
- Pneumonia chlamydialC0339959
- Pneumonia, ChlamydialC0339959
- Pneumonia, ChlamydophilaC0339959
- Pneumonias, ChlamydialC0339959
- Pneumonias, ChlamydophilaC0339959
- chlamydial pneumoniaC0339959
- pneumonia chlamydialC0339959
Clinical Terms
- Infection caused by Chlamydia pneumoniae
- Pneumonia caused by Chlamydiaceae (disorder)
- Pneumonias, Chlamydial
- pneumonia chlamydial
- Pneumonia caused by Chlamydia pneumoniae
- Pneumonia caused by Chlamydiaceae
- Chlamydia pneumoniae infection
- Chlamydophila Pneumonias
- Chlamydial Pneumonias
- Pneumonia, Chlamydophila
- Pneumonia, Chlamydial
- Chlamydia pneumoniae pneumonia
- Chlamydophila Pneumonia
- Pneumonias, Chlamydophila
Frequently Asked Questions
What is the ICD-10 code for chlamydial pneumonia?
The ICD-10-CM code for chlamydial pneumonia is J16.0. The full clinical description is "Chlamydial pneumonia". J16.0 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code J16.0 mean?
ICD-10-CM code J16.0 represents “Chlamydial pneumonia”. It is classified under Chapter 10: Diseases of the Respiratory System and is a billable/specific code that can be used on a claim.
Is J16.0 a billable code?
Yes, J16.0 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is J16.0 in?
J16.0 is in Chapter 10: Diseases of the Respiratory System (codes J00-J99).
What codes cannot be used with J16.0?
J16.0 has Excludes1 notes indicating codes that cannot be used together with it, including: congenital pneumonia (P23.-); ornithosis (A70); pneumocystosis (B59); and 1 more.
Are additional codes required with J16.0?
Yes, when using J16.0, also report: code, where applicable, to identify:; exposure to environmental tobacco smoke (Z77.22); exposure to tobacco smoke in the perinatal period (P96.81); history of tobacco dependence (Z87.891); occupational exposure to environmental tobacco smoke (Z57.31); tobacco dependence (F17.-); tobacco use (Z72.0); code, if applicable, to identify resistance to antimicrobial drugs (Z16.-).
What SNOMED CT codes does J16.0 map to?
J16.0 maps to 3 SNOMED CT concepts: 1163507005, 233609002, 724498004. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for J16.0?
J16.0 is linked to 1 UMLS Concept Unique Identifier: C0339959. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does J16.0 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like chlamydial pneumonia affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of J16.0?
J16.0 maps to the ICD-11 code: CA40.00 (Pneumonia due to Chlamydophila pneumoniae).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.