H70.00
Non-Billable
ChapterH60–H95
Ranksubcategory
Official Description
Acute mastoiditis without complications
Metadata & Insights
- •2026 ICD-10-CM Edition - Effective October 1, 2025.
- •Non-billable category (requires more specific sub-code).
- •Chapter 8: Diseases of the Ear and Mastoid Process (H60-H95).
General instructions are available for the parent sections:
Clinical Hierarchy
CH8Diseases of the ear and mastoid process (H60-H95)
H65-H75Diseases of middle ear and mastoid (H65-H75)
H70Mastoiditis and related conditions
H70.0Acute mastoiditis
H70.00Acute mastoiditis without complications
H70.001Acute mastoiditis without complications, right ear
H70.002Acute mastoiditis without complications, left ear
H70.003Acute mastoiditis without complications, bilateral
H70.009Acute mastoiditis without complications, unspecified ear
Applicable Ancestor Context
The following parent sections contain instructions or notes that apply to H70.00:
Alphabetic Index Mentions
These are Diagnosis Index lookup paths that route to H70.00. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.
1 raw paths
MS-DRG Classification
No direct MS-DRG triggers identified.
Cross Reference
Find Procedures (ICD-10-PCS)
Find surgical and procedural codes related to Acute mastoiditis without complications.
Search PCS Codes