ICD-10-CM 2027
ICD-10 code for diaphragm ossification
From the official ICD-10-CM alphabetic index entry “Ossification › diaphragm”. Page updated September 29, 2026.
About coding diaphragm ossification
The ICD-10-CM code for diaphragm ossification is J98.6 (Disorders of diaphragm).
Within J98 (other respiratory disorders), J98.6 is specifically for disorders of diaphragm. Related codes cover diseases of bronchus, not elsewhere classified (J98.0), pulmonary collapse (J98.1), interstitial emphysema (J98.2), Compensatory emphysema (J98.3), other disorders of lung (J98.4), diseases of mediastinum, not elsewhere classified (J98.5), other specified respiratory disorders (J98.8) and respiratory disorder, unspecified (J98.9).
Don't report J98.6 together with the conditions in its Excludes1 note: congenital malformation of diaphragm NEC (Q79.1) and congenital diaphragmatic hernia (Q79.0).
The conditions in its Excludes2 note aren't part of J98.6, but may be coded alongside it if the patient has both: diaphragmatic hernia (K44.-).
Don't confuse with (Excludes1 for J98.6)
Common questions about diaphragm ossification ICD-10 codes
What is the ICD-10 code for diaphragm ossification?
- J98.6 — Disorders of diaphragm.
Is J98.6 billable?
- Yes. J98.6 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can J98.6 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict J98.6 as a principal diagnosis.
Is J98.6 a CC or MCC?
- No. J98.6 is neither a CC nor an MCC under MS-DRG v44.0.