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

ICD-10-CM 2027 diagnosis code · Intraoperative and postprocedural complications and disorders of ear and mastoid process, not elsewhere classified (H95)

Billable code

ICD-10-CM code H95.21

Code: H95.21 (claims format: H9521)
Description: Intraoperative hemorrhage and hematoma of ear and mastoid process complicating a procedure on the ear and mastoid process
Short description: Intraop hemor/hemtom of ear/mastd comp a proc on ear/mastd
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 8. Diseases of the ear and mastoid process (H60-H95)
Block: H95 Intraoperative and postprocedural complications and disorders of ear and mastoid process, not elsewhere classified (H95)
Parent codes: H95 › H95.2

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

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

Excludes1 (not coded here):

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

Index terms for H95.21

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in H95.2

H95.22 – Intraoperative hemorrhage and hematoma of ear and mastoid process complicating other procedureBillable

Frequently asked questions

What is ICD-10 code H95.21?

H95.21 is the ICD-10-CM code for intraoperative hemorrhage and hematoma of ear and mastoid process complicating a procedure on the ear and mastoid process, in the block H95 (Intraoperative and postprocedural complications and disorders of ear and mastoid process, not elsewhere classified (H95)).

Is H95.21 a billable code?

Yes. H95.21 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does H95.21 belong to?

It belongs to category H95 – Intraoperative and postprocedural complications and disorders of ear and mastoid process, not elsewhere classified.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.