I78.1 Nevus, non-neoplastic

Billable ICD-10-CM code, FY2026.

Applicable to

• Araneus nevus
• Senile nevus
• Spider nevus
• Stellar nevus

Excludes1 (never code together)

• nevus NOS (D22.-)
• vascular NOS (Q82.5)

Excludes2 (not included here)

• blue nevus (D22.-)
• flammeus nevus (Q82.5)
• hairy nevus (D22.-)
• melanocytic nevus (D22.-)
• pigmented nevus (D22.-)
• portwine nevus (Q82.5)
• sanguineous nevus (Q82.5)
• strawberry nevus (Q82.5)
• verrucous nevus (Q82.5)

MS-DRG index

Defines the logic of DRG(s) 606-607 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 448.1 Nevus, non-neoplastic

Code annotations containing back-references to I78.1

Back-references to I78.1

• Type 2 Excludes: Q82.5 Congenital non-neoplastic nevus ("araneus nevus (I78.1)")
• Type 2 Excludes: Q82.5 Congenital non-neoplastic nevus ("spider nevus (I78.1)")
• Type 2 Excludes: Q82.5 Congenital non-neoplastic nevus ("stellar nevus (I78.1)")

Diagnosis Index entries for I78.1

• Angioma › capillary
• Angioma › senile
• Angioma › spider
• Angioma › stellate
• De Morgan's spots (senile angiomas)
• Hemangioma › capillary
• Nevus › araneus
• Nevus › non-neoplastic
• Nevus › senile
• Nevus › spider
• Nevus › stellar
• Spider › nevus
• Spider › vascular
• Spots, spotting (in) (of) › Cayenne pepper
• Spots, spotting (in) (of) › de Morgan's (senile angiomas)
• Spots, spotting (in) (of) › ruby
• Telangiectasia, telangiectasis (verrucous)
• Telangiectasia, telangiectasis (verrucous) › spider
• Varix (lower limb) › papillary
• Vascular › spider

Nearby codes

• I78 Diseases of capillaries
• I78.0 Hereditary hemorrhagic telangiectasia
• I78.1 Nevus, non-neoplastic (this code)
• I78.8 Other diseases of capillaries
• I78.9 Disease of capillaries, unspecified