ICDcodes.org
FY2027

J34.839Odontogenic sinusitis, unspecified

BillableUnspecifiedNew in FY2027

Is J34.839 billable?

Yes, but J34.839 is an unspecified code. J34.839 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, J34.839 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting J34.839 — the more specific alternatives are listed below.

J34.839 at a glance

CodeJ34.839
DescriptionOdontogenic sinusitis, unspecified
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027
FY2027 changeNew in FY2027

Which MS-DRGs does J34.839 group to?

J34.839 sits in MDC 03 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 154Other Ear, Nose, Mouth and Throat Diagnoses with MCCmedical
  • 155Other Ear, Nose, Mouth and Throat Diagnoses with CCmedical
  • 156Other Ear, Nose, Mouth and Throat Diagnoses without CC/MCCmedical

How is J34.839 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to J34.839. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Sinusitisodontogenic NOS (accessory) (chronic) (hyperplastic) (nasal) (nonpurulent) (purulent)

Inclusion terms

Alternative wording in documentation that is classified to J34.839.

  • Odontogenic sinusitis NOS

Use additional code — inherited from Chapter 10

Report an additional code alongside J34.839 to fully describe the condition. J34.839 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)

Excludes2 — not included here — inherited from Chapter 10

The conditions below are not part of J34.839, but a patient may have both at the same time. When documentation supports it, J34.839 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 J34

The conditions below are not part of J34.839, but a patient may have both at the same time. When documentation supports it, J34.839 and the excluded code may both be reported.

  • varicose ulcer of nasal septum (I86.8)

Which conditions are coded to J34.839?

What other codes are in the J34.83 family? (4)