H95Not billable, use a more specific code below
Intraoperative and postprocedural complications and disorders of ear and mastoid process, not elsewhere classified
chapter 8: Diseases of the Ear and Mastoid Process
36 billable codes under H95: 16 are a CC; none map to an HCC.A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment.
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Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
There are no chapter-specific rules for Chapter 8 yet, so the general rules in Section I.B apply.
All codes under H95
H95 can't be used on a claim. Pick a billable code below; grey headings group them.
- H95.0Recurrent cholesteatoma of postmastoidectomy cavity
- H95.00Recurrent cholesteatoma of postmastoidectomy cavity, unspecified ear
- H95.01Recurrent cholesteatoma of postmastoidectomy cavity, right ear
- H95.02Recurrent cholesteatoma of postmastoidectomy cavity, left ear
- H95.03Recurrent cholesteatoma of postmastoidectomy cavity, bilateral ears
- H95.1Other disorders of ear and mastoid process following mastoidectomy
- H95.11Chronic inflammation of postmastoidectomy cavity
- H95.111Chronic inflammation of postmastoidectomy cavity, right ear
- H95.112Chronic inflammation of postmastoidectomy cavity, left ear
- H95.113Chronic inflammation of postmastoidectomy cavity, bilateral ears
- H95.119Chronic inflammation of postmastoidectomy cavity, unspecified ear
- H95.12Granulation of postmastoidectomy cavity
- H95.121Granulation of postmastoidectomy cavity, right ear
- H95.122Granulation of postmastoidectomy cavity, left ear
- H95.123Granulation of postmastoidectomy cavity, bilateral ears
- H95.129Granulation of postmastoidectomy cavity, unspecified ear
- H95.13Mucosal cyst of postmastoidectomy cavity
- H95.131Mucosal cyst of postmastoidectomy cavity, right ear
- H95.132Mucosal cyst of postmastoidectomy cavity, left ear
- H95.133Mucosal cyst of postmastoidectomy cavity, bilateral ears
- H95.139Mucosal cyst of postmastoidectomy cavity, unspecified ear
- H95.19Other disorders following mastoidectomy
- H95.191Other disorders following mastoidectomy, right ear
- H95.192Other disorders following mastoidectomy, left ear
- H95.193Other disorders following mastoidectomy, bilateral ears
- H95.199Other disorders following mastoidectomy, unspecified ear
- H95.2Intraoperative hemorrhage and hematoma of ear and mastoid process complicating a procedure
- H95.21Intraoperative hemorrhage and hematoma of ear and mastoid process complicating a procedure on the ear and mastoid process
- H95.22Intraoperative hemorrhage and hematoma of ear and mastoid process complicating other procedure
- H95.3Accidental puncture and laceration of ear and mastoid process during a procedure
- H95.31Accidental puncture and laceration of the ear and mastoid process during a procedure on the ear and mastoid process
- H95.32Accidental puncture and laceration of the ear and mastoid process during other procedure
- H95.4Postprocedural hemorrhage of ear and mastoid process following a procedure
- H95.41Postprocedural hemorrhage of ear and mastoid process following a procedure on the ear and mastoid process
- H95.42Postprocedural hemorrhage of ear and mastoid process following other procedure
- H95.5Postprocedural hematoma and seroma of ear and mastoid process following a procedure
- H95.51Postprocedural hematoma of ear and mastoid process following a procedure on the ear and mastoid process
- H95.52Postprocedural hematoma of ear and mastoid process following other procedure
- H95.53Postprocedural seroma of ear and mastoid process following a procedure on the ear and mastoid process
- H95.54Postprocedural seroma of ear and mastoid process following other procedure
- H95.8Other intraoperative and postprocedural complications and disorders of the ear and mastoid process, not elsewhere classified
- H95.81Postprocedural stenosis of external ear canal
- H95.811Postprocedural stenosis of right external ear canal
- H95.812Postprocedural stenosis of left external ear canal
- H95.813Postprocedural stenosis of external ear canal, bilateral
- H95.819Postprocedural stenosis of unspecified external ear canal
- H95.88Other intraoperative complications and disorders of the ear and mastoid process, not elsewhere classified
- H95.89Other postprocedural complications and disorders of the ear and mastoid process, not elsewhere classified
H95 MS-DRGs
As the principal diagnosis, the billable codes under H95 group to these 8 MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
- DRG 154 Other Ear, Nose, Mouth and Throat Diagnoses with MCC (20 of 36 codes)
- DRG 155 Other Ear, Nose, Mouth and Throat Diagnoses with CC (20 of 36 codes)
- DRG 156 Other Ear, Nose, Mouth and Throat Diagnoses without CC/MCC (20 of 36 codes)
- DRG 919 Complications of Treatment with MCC (16 of 36 codes)
- DRG 920 Complications of Treatment with CC (16 of 36 codes)
- DRG 921 Complications of Treatment without CC/MCC (16 of 36 codes)
- DRG 791 Prematurity with Major Problems (2 of 36 codes)
- DRG 793 Full Term Neonate with Major Problems (2 of 36 codes)
Other codes that refer to H95
Notes on these codes point to H95.
Code history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.