Cyst of tunica albuginea testis

This code represents a fluid-filled sac or lesion located within the tunica albuginea, the fibrous capsule surrounding the testis. These cysts are typically benign and can be asymptomatic or present as a palpable mass. They are distinct from hydroceles or spermatoceles, which involve different anatomical structures.

Use this code when documentation clearly identifies a cyst specifically within the tunica albuginea of the testis. This diagnosis is often made via ultrasound or physical examination. The medical record should specify the location of the cyst to differentiate it from other scrotal masses.

• Ensure the documentation specifies "tunica albuginea" to differentiate from other testicular or epididymal cysts.
• Do not confuse with hydroceles (N43.3-) or spermatoceles (N43.4-), which are distinct conditions.
• Laterality (right, left, bilateral) should be documented and coded if specified.