2027 ICD-10-CM Diagnosis Code H65.33Chronic mucoid otitis media, bilateral
ICD-10-CM Codes›H60–H95›H65-H75›H65
- Billable — Valid for Submission
- Chronic Condition
H65.33 is a billable ICD-10-CM diagnosis code for chronic mucoid otitis media, bilateral. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 152 through 153. Coders also document this condition as bilateral middle ear chronic mucoid otitis media. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Otitis media.
This medical diagnosis code is frequently used in Pediatrics medical specialties to designate conditions such chronic mucoid otitis media.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Bilateral middle ear chronic mucoid otitis media
- Bilateral nonsuppurative otitis media
- Chronic mucoid otitis media
- Chronic mucoid otitis media of left middle ear
- Chronic mucoid otitis media of right middle ear
- Chronic nonsuppurative otitis media of bilateral ears
- Chronic nonsuppurative otitis media of left ear
- Chronic nonsuppurative otitis media of right ear
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to H65.33: its own notes plus those printed at H65.3, H65, and Chapter 8. A note printed at a category, block or chapter applies to every code under it.
Includes
Further defines, or gives examples of, the content of the category.
- nonsuppurative otitis media with myringitis
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may 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)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Use Additional Code
Add a second code, after this one, to fully describe the condition.
- code for any associated perforated tympanic membrane (H72.-)
- code, if 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)
- infectious agent (B95-B97)
- occupational exposure to environmental tobacco smoke (Z57.31)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)
Notes
General instructions on how these codes are used.
- Use an external cause code following the code for the ear condition, if applicable, to identify the cause of the ear condition
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name H65.33, its category, or a range that includes it.
Excludes1 3
These codes carry an Excludes1 note naming H65.33: they are not reported together with it, unless the two conditions are unrelated.
Code First 2
These codes say to code first a condition named in the note, and H65.33 is one of the conditions named.
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Ear Infections
Ear infections are the most common reason parents bring their child to a doctor. Three out of four children will have at least one ear infection by their third birthday. Adults can also get ear infections, but they are less common.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert H65.33 to ICD-9-CMHistory
Code HistoryHistory
Questions About H65.33Overview
What is the ICD-10 code for chronic mucoid otitis media, bilateral?
The ICD-10-CM code for chronic mucoid otitis media, bilateral is H65.33 (sometimes written as H6533). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is H65.33 (Chronic mucoid otitis media) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report chronic mucoid otitis media, bilateral on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does H65.33 group to?
When chronic mucoid otitis media, bilateral is the principal diagnosis on an inpatient stay, it groups to MS-DRG 152, 153, with relative weights from 0.7420 to 1.1147 depending on complications. Higher weights mean higher Medicare reimbursement.
Can H65.33 be reported with H74.1?
Not as a rule. The Excludes1 note at H65.3, which applies to H65.33, lists "adhesive middle ear disease (H74.1)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
Does H65.33 need an additional code?
When the condition applies, yes. The Use Additional Code note at H65, which applies to H65.33, reads: code for any associated perforated tympanic membrane (H72.-); code, if 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); and 4 more listed in the Instructional Notes section. The additional code is reported after H65.33.
