ICD-10-CM 2027
ICD-10 code for diaphragm reflex spasm
From the official ICD-10-CM alphabetic index entry “Spasm (s), spastic, spasticity › diaphragm (reflex)”. Page updated September 29, 2026.
About coding diaphragm reflex spasm
The ICD-10-CM code for diaphragm reflex spasm is R06.6 (Hiccough). The official index lists 2 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on R06.6.
Within R06 (abnormalities of breathing), R06.6 is specifically for Hiccough. Related codes cover dyspnea (R06.0), Stridor (R06.1), Wheezing (R06.2), periodic breathing (R06.3), Hyperventilation (R06.4), mouth breathing (R06.5), Sneezing (R06.7), other abnormalities of breathing (R06.8) and 1 more.
Don't report R06.6 together with the conditions in its Excludes1 note: psychogenic hiccough (F45.8).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
More specific diaphragm reflex spasm codes (official index)
Don't confuse with (Excludes1 for R06.6)
- psychogenic hiccough (F45.8)
Common questions about diaphragm reflex spasm ICD-10 codes
What is the ICD-10 code for diaphragm reflex spasm?
- R06.6 — Hiccough. More specific codes apply when the documentation supports them: B33.0, F45.8.
What is the ICD-10 code for epidemic diaphragm reflex spasm?
- B33.0 — Epidemic myalgia.
What is the ICD-10 code for psychogenic diaphragm reflex spasm?
- F45.8 — Other somatoform disorders.
Is R06.6 billable?
- Yes. R06.6 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can R06.6 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict R06.6 as a principal diagnosis.
Is R06.6 a CC or MCC?
- No. R06.6 is neither a CC nor an MCC under MS-DRG v44.0.