J18.1 LOBAR PNEUMONIA, UNSPECIFIED ORGANISM

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Code Information

Diagnosis Code: J18.1

Short Description: Lobar pneumonia, unspecified organism

Long Description: Lobar pneumonia, unspecified organism

The code J18.1 is VALID for claim submission

Code Classification:

Diseases of the respiratory system (J00–J99)
- Influenza and pneumonia (J09-J18)
  - Pneumonia, unspecified organism (J18)
    - J18.1 Lobar pneumonia, unspecified organism

Code Version: 2022 ICD-10-CM

Synonyms

Basal pneumonia
Consolidation of lung present
Left lower zone pneumonia
Left upper zone pneumonia
Lingular pneumonia
Lobar pneumonia
Lung consolidation
Right lower zone pneumonia
Right middle zone pneumonia
Right upper zone pneumonia
Unresolved lobar pneumonia
Unresolved pneumonia

Diagnostic Related Group(s)

The code J18.1 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)

Simple Pneumonia And Pleurisy With Mcc (193)
Simple Pneumonia And Pleurisy With Cc (194)
Simple Pneumonia And Pleurisy Without Cc/mcc (195)

Crosswalk Information

ICD-10 Code		ICD-9 Code	ICD-9 Description
J18.1		481	Pneumococcal pneumonia

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code	ICD-10 Description
J18	Pneumonia, unspecified organism
J18.0	Bronchopneumonia, unspecified organism
J18.2	Hypostatic pneumonia, unspecified organism
J18.8	Other pneumonia, unspecified organism
J18.9	Pneumonia, unspecified organism

This page was last updated on: 10/1/2023

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