ICD-10-CM 2027
ICD-10 code for Hidden penis
From the official ICD-10-CM alphabetic index entry “Hidden penis (congenital)”. Page updated September 29, 2026.
About coding Hidden penis
The ICD-10-CM code for Hidden penis is Q55.64 (Hidden penis). The official index lists 1 more specific code, so check the documentation for details such as type, cause, site or severity before settling on Q55.64.
Within Q55.6 (other congenital malformations of penis), Q55.64 is specifically for Hidden penis. Related codes cover curvature of penis (lateral) (Q55.61), hypoplasia of penis (Q55.62), congenital torsion of penis (Q55.63) and other congenital malformation of penis (Q55.69).
Don't report Q55.64 together with the conditions in its Excludes1 note: acquired buried penis (N48.83).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
More specific Hidden penis codes (official index)
- acquired N48.83 — Acquired buried penis
Don't confuse with (Excludes1 for Q55.64)
- acquired buried penis (N48.83)
Common questions about Hidden penis ICD-10 codes
What is the ICD-10 code for Hidden penis?
- Q55.64 — Hidden penis. More specific codes apply when the documentation supports them: N48.83.
What is the ICD-10 code for acquired hidden penis?
- N48.83 — Acquired buried penis.
Is Q55.64 billable?
- Yes. Q55.64 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can Q55.64 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict Q55.64 as a principal diagnosis.
Is Q55.64 a CC or MCC?
- No. Q55.64 is neither a CC nor an MCC under MS-DRG v44.0.