All ICD10 Codes

J22

Billable
ChapterJ00–J99
Rankcategory
Official Description

Unspecified acute lower respiratory infection

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 10: Diseases of the Respiratory System (J00-J99).

CH10 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • smoke inhalation (T59.81-)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Use Additional Code
  • 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)

J20-J22 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • chronic obstructive pulmonary disease with acute lower respiratory infection (J44.0)

Instructional Notes

Includes
  • Acute (lower) respiratory (tract) infection NOS
Excludes1(Not coded here. Use a different code.)
  • upper respiratory infection (acute) (J06.9)

Clinical Hierarchy

BillableHas subcodes
CH10Diseases of the respiratory system (J00-J99)
J20-J22Other acute lower respiratory infections (J20-J22)
J22Unspecified acute lower respiratory infectionBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to J22:

blockJ20-J22
Other acute lower respiratory infections (J20-J22)
View context instructions
chapterCH10
Diseases of the respiratory system (J00-J99)
View context instructions

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 205
Other Respiratory System Diagnoses with MCC
DRG 206
Other Respiratory System Diagnoses without MCC

Cross Reference

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