H70.002 — Acute mastoiditis without complications, left ear
Is H70.002 billable?
Yes — H70.002 is billable for FY2027. H70.002 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. H70.002 may be submitted for encounters from October 1, 2026 through September 30, 2027.
H70.002 at a glance
| Code | H70.002 |
|---|---|
| Description | Acute mastoiditis without complications, left ear |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does H70.002 group to?
H70.002 sits in MDC 03 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 152Otitis Media and URI with MCCmedical
- 153Otitis Media and URI without MCCmedical
As a secondary diagnosis, H70.002 is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is H70.002 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under H70.00, the nearest indexed parent of H70.002. Use them to find the family, then select the specific code.
- Mastoiditis › acute, subacute (coalescent) (hemorrhagic) (suppurative)
Excludes2 — not included here — inherited from Chapter 8
The conditions below are not part of H70.002, but a patient may have both at the same time. When documentation supports it, H70.002 and the excluded code may both 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)
How long has H70.002 existed?
H70.002 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.