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J42 - Unspecified chronic bronchitis

ICD-10-CM Chapter 10: Diseases of the respiratory system · J40-J4B Chronic lower respiratory diseases (J40-J4B) · Top-level category · FY2027

Applicable To

Inclusion terms listed under J42 in the ICD-10-CM tabular list.

  • Chronic bronchitis NOS
  • Chronic tracheitis
  • Chronic tracheobronchitis

Includes, Excludes and Coding Notes

Excludes 1 — Not Coded HereFrom J42

Mutually exclusive: these conditions are never reported together with this code.

  • bronchiolitis obliterans and bronchiolitis obliterans syndrome (J44.81)
  • chronic asthmatic bronchitis (J44.-)
  • chronic bronchitis with airways obstruction (J44.-)
  • chronic emphysematous bronchitis (J44.-)
  • chronic obstructive pulmonary disease NOS (J44.9)
  • simple and mucopurulent chronic bronchitis (J41.-)
Use Additional CodeFrom J42

Add a secondary code to identify the associated condition or cause when it is documented.

  • code 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 AlsoFrom J42

Report an additional code when both conditions apply.

  • , if applicable, chronic respiratory conditions due to chemicals, gases, fumes and vapors (J68.4)
Excludes 1 — Not Coded HereFrom J40-J4B Chronic lower respiratory diseases (J40-J4B)

Mutually exclusive: these conditions are never reported together with this code.

  • bronchitis due to chemicals, gases, fumes and vapors (J68.0)
Excludes 2 — Not Included HereFrom J40-J4B Chronic lower respiratory diseases (J40-J4B)

Not part of this code; report both codes when the patient has both conditions.

  • cystic fibrosis (E84.-)
Excludes 2 — Not Included HereFrom Chapter J00-J99

Not part of this code; report both codes when the patient has both conditions.

  • 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 CodeFrom Chapter J00-J99

Add a secondary code to identify the associated condition or cause when it is documented.

  • 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)
NotesFrom Chapter J00-J99

Instructional notes from the ICD-10-CM tabular list.

  • 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).

Inpatient DRG Payments

DRG 19055,536 discharges

Chronic Obstructive Pulmonary Disease With Mcc

Avg. Medicare Payment

$8,496

Total Payment$10,597
Patient Responsibility$2,101
Hospital Charge$50,592
DRG 19119,442 discharges

Chronic Obstructive Pulmonary Disease With Cc

Avg. Medicare Payment

$6,414

Total Payment$8,274
Patient Responsibility$1,861
Hospital Charge$39,617
DRG 1924,287 discharges

Chronic Obstructive Pulmonary Disease Without Cc/mcc

Avg. Medicare Payment

$4,613

Total Payment$6,575
Patient Responsibility$1,961
Hospital Charge$31,109