J32.1 — Chronic frontal sinusitis
Is J32.1 billable?
Yes — J32.1 is billable for FY2027. J32.1 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. J32.1 may be submitted for encounters from October 1, 2026 through September 30, 2027.
J32.1 at a glance
| Code | J32.1 |
|---|---|
| Description | Chronic frontal sinusitis |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does J32.1 group to?
J32.1 sits in MDC 03 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 152Otitis Media and URI with MCCmedical
- 153Otitis Media and URI without MCCmedical
How is J32.1 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to J32.1. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Abscess › frontal sinus (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)
- Sinusitis › frontal (accessory) (chronic) (hyperplastic) (nasal) (nonpurulent) (purulent)
- Degeneration, degenerative › nasal sinus › frontal
Inclusion terms
Alternative wording in documentation that is classified to J32.1.
- Frontal sinusitis NOS
Use additional code — inherited from Chapter 10
Report an additional code alongside J32.1 to fully describe the condition. J32.1 is sequenced first.
Use additional code — inherited from J32
Report an additional code alongside J32.1 to fully describe the condition. J32.1 is sequenced first.
- code to identify:
- infectious agent (B95-B97)
Excludes2 — not included here — inherited from Chapter 10
The conditions below are not part of J32.1, but a patient may have both at the same time. When documentation supports it, J32.1 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 J32
The conditions below are not part of J32.1, but a patient may have both at the same time. When documentation supports it, J32.1 and the excluded code may both be reported.
- acute sinusitis (J01.-)
How long has J32.1 existed?
J32.1 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.