H95.21 Intraoperative hemorrhage and hematoma of ear and mastoid process complicating a procedure on the ear and mastoid process

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from H95.2 Intraoperative hemorrhage and hematoma of ear and mastoid process complicating a procedure

Excludes1 (never code together)

• intraoperative hemorrhage and hematoma of ear and mastoid process due to accidental puncture or laceration during a procedure (H95.3-)

MS-DRG index

Defines the logic of DRG(s) 919-921 in MDC 21.

Approximate ICD-9-CM (GEMs)

• 998.11 Hemorrhage complicating a procedure (approximate)
• 998.12 Hematoma complicating a procedure (approximate)

Code annotations containing back-references to H95.21

Back-references to H95.2

• Type 2 Excludes: T81 Complications of procedures, not elsewhere classified ("intraoperative and postprocedural complications of specific body system (D78.-, E36.-, E89.-, G97.3-, G97.4, H59.3-, H59.-, H95.2-, H95.3, I97.4-, I97.5, J95, K91.-, L76.-, M96.-, N99.-)")

Diagnosis Index entries for H95.21

• Complication (s) (from) (of) › intraoperative (intraprocedural) › hemorrhage (hematoma) (of) › ear › during procedure on ear and mastoid process
• Complication (s) (from) (of) › intraoperative (intraprocedural) › hemorrhage (hematoma) (of) › mastoid process › during procedure on ear and mastoid process

Nearby codes

• H95.191 Other disorders following mastoidectomy, right ear
• H95.192 Other disorders following mastoidectomy, left ear
• H95.193 Other disorders following mastoidectomy, bilateral ears
• H95.199 Other disorders following mastoidectomy, unspecified ear
• H95.2 Intraoperative hemorrhage and hematoma of ear and mastoid process complicating a procedure
• H95.21 Intraoperative hemorrhage and hematoma of ear and mastoid process complicating a procedure on the ear and mastoid process (this code)
• H95.22 Intraoperative hemorrhage and hematoma of ear and mastoid process complicating other procedure
• H95.3 Accidental puncture and laceration of ear and mastoid process during a procedure
• H95.31 Accidental puncture and laceration of the ear and mastoid process during a procedure on the ear and mastoid process
• H95.32 Accidental puncture and laceration of the ear and mastoid process during other procedure
• H95.4 Postprocedural hemorrhage of ear and mastoid process following a procedure