ICD-10 · PDGM grouping
N98 Complications associated with artificial fertilization
All 6 codes in the N98 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
Codes in family
6
Can lead a claim
5
Cannot lead a claim
1
What CMS assigns to N98
5 of the 6 codes group to MMTA - Other; 1 is assigned no clinical group. None of the 6 is assigned a comorbidity subgroup. 5 of the 6 can lead a claim.
Every code in N98
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| N98.0 | Infection associated with artificial insemination | Can lead a claim | A | None |
| N98.1 | Hyperstimulation of ovaries | Can lead a claim | A | None |
| N98.2 | Complications of attempted introduction of fertilized ovum following in vitro fertilizationCMS: Comp of attempt introduce of fertilized ovum fol in vitro | Can lead a claim | A | None |
| N98.3 | Complications of attempted introduction of embryo in embryo transferCMS: Comp of attempted introduction of embryo in embryo transfer | Can lead a claim | A | None |
| N98.8 | Other complications associated with artificial fertilization | Can lead a claim | A | None |
| N98.9 | Complication associated with artificial fertilization, unspecifiedCMS: Complication associated with artificial fertilization, unsp | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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