ICDcodes.org
FY2027

J11 — Influenza due to unidentified influenza virus

Not billable

Is J11 billable?

No — J11 is a non-billable header code. J11 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 8 billable codes beneath J11.

J11 at a glance

CodeJ11
DescriptionInfluenza due to unidentified influenza virus
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Use additional code — inherited from Chapter 10

Report an additional code alongside J11 to fully describe the condition. J11 is sequenced first.

  • 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)

Use additional code — inherited from J09-J18

Report an additional code alongside J11 to fully describe the condition. J11 is sequenced first.

  • code, if applicable, to identify resistance to antimicrobial drugs (Z16.-)

Excludes2 — not included here — inherited from Chapter 10

The conditions below are not part of J11, but a patient may have both at the same time. When documentation supports it, J11 and the excluded code may both be reported.

  • 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)

Excludes2 — not included here — inherited from J09-J18

The conditions below are not part of J11, but a patient may have both at the same time. When documentation supports it, J11 and the excluded code may both be reported.

  • allergic or eosinophilic pneumonia (J82)
  • aspiration pneumonia NOS (J69.0)
  • meconium pneumonia (P24.01)
  • neonatal aspiration pneumonia (P24.-)
  • pneumonia due to solids and liquids (J69.-)
  • congenital pneumonia (P23.9)
  • lipid pneumonia (J69.1)
  • rheumatic pneumonia (I00)
  • ventilator associated pneumonia (J95.851)

What codes fall under J11? (4)

How long has J11 existed?

J11 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

Which codes are confused with J11?

ICD-10-CM declares these codes mutually exclusive with J11 — exactly one of each pair can be correct for a given encounter.