P37 vs R75
P37 (Other congenital infectious and parasitic diseases) compared with R75 (Inconclusive laboratory evidence of human immunodeficiency virus [HIV]), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. P37 carries an Excludes2 note covering R75: “laboratory evidence of human immunodeficiency virus [HIV] (R75)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| P37Other congenital infectious and parasitic diseases | R75Inconclusive laboratory evidence of human immunodeficiency virus [HIV] | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | P00-P96 — Certain Conditions Originating in the Perinatal Period (P00-P96) | R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) |
| Definition | Other congenital infectious and parasitic diseases is a non-billable ICD-10-CM category code (P37). | Inconclusive laboratory evidence of human immunodeficiency virus [HIV] is a billable ICD-10-CM diagnosis code (R75). |
| Includes | — | Nonconclusive HIV-test finding in infants |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources