R89.7 Abnormal histological findings in specimens from other organs, systems and tissues

Billable ICD-10-CM code, FY2026.

Applies from R89 Abnormal findings in specimens from other organs, systems and tissues

Includes

• abnormal findings in nipple discharge
• abnormal findings in synovial fluid
• abnormal findings in wound secretions

MS-DRG index

Defines the logic of DRG(s) 795 in MDC 15.

Approximate ICD-9-CM (GEMs)

• 792.9 Other nonspecific abnormal findings in body substances (approximate)
• 795.4 Other nonspecific abnormal histological findings (approximate)

Code annotations containing back-references to R89.7

Back-references to R89

• Type 1 Excludes: N64.52 Nipple discharge ("abnormal findings in nipple discharge (R89.-)")

Diagnosis Index entries for R89.7

• Abnormal, abnormality, abnormalities › histology NEC
• Abnormal, abnormality, abnormalities › myoglobin (Aberdeen) (Annapolis)
• Abnormal, abnormality, abnormalities › specimen › specified organ, system and tissue NOS › histology
• Infiltrate, infiltration › calcareous NEC
• Infiltrate, infiltration › calcium salt
• Mallory's bodies

Nearby codes

• R89.2 Abnormal level of other drugs, medicaments and biological substances in specimens from other organs, systems and tissues
• R89.3 Abnormal level of substances chiefly nonmedicinal as to source in specimens from other organs, systems and tissues
• R89.4 Abnormal immunological findings in specimens from other organs, systems and tissues
• R89.5 Abnormal microbiological findings in specimens from other organs, systems and tissues
• R89.6 Abnormal cytological findings in specimens from other organs, systems and tissues
• R89.7 Abnormal histological findings in specimens from other organs, systems and tissues (this code)
• R89.8 Other abnormal findings in specimens from other organs, systems and tissues
• R89.9 Unspecified abnormal finding in specimens from other organs, systems and tissues