ICD-10 · PDGM grouping
O60 Preterm labor
All 52 codes in the O60 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.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in family
52
Can lead a claim
37
Cannot lead a claim
15
What CMS assigns to O60
37 of the 52 codes group to MMTA - Other; 15 are assigned no clinical group. None of the 52 is assigned a comorbidity subgroup. 37 of the 52 can lead a claim.
Every code in O60
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 |
|---|---|---|---|---|
| O60.0 Preterm labor without delivery | ||||
| O60.00 | Preterm labor without delivery, unspecified trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O60.02 | Preterm labor without delivery, second trimester | Can lead a claim | A | None |
| O60.03 | Preterm labor without delivery, third trimester | Can lead a claim | A | None |
| O60.1 Preterm labor with preterm delivery | ||||
| O60.10 Preterm labor with preterm delivery, unspecified trimester | ||||
| O60.10X0 | Preterm labor with preterm delivery, unspecified trimester, not applicable or unspecifiedCMS: Preterm labor w preterm delivery, unsp trimester, unsp | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O60.10X1 | Preterm labor with preterm delivery, unspecified trimester, fetus 1CMS: Preterm labor with preterm delivery, unsp trimester, fetus 1 | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O60.10X2 | Preterm labor with preterm delivery, unspecified trimester, fetus 2CMS: Preterm labor with preterm delivery, unsp trimester, fetus 2 | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O60.10X3 | Preterm labor with preterm delivery, unspecified trimester, fetus 3CMS: Preterm labor with preterm delivery, unsp trimester, fetus 3 | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O60.10X4 | Preterm labor with preterm delivery, unspecified trimester, fetus 4CMS: Preterm labor with preterm delivery, unsp trimester, fetus 4 | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O60.10X5 | Preterm labor with preterm delivery, unspecified trimester, fetus 5CMS: Preterm labor with preterm delivery, unsp trimester, fetus 5 | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O60.10X9 | Preterm labor with preterm delivery, unspecified trimester, other fetusCMS: Preterm labor w preterm delivery, unsp trimester, oth fetus | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O60.12 Preterm labor second trimester with preterm delivery second trimester | ||||
| O60.12X0 | Preterm labor second trimester with preterm delivery second trimester, not applicable or unspecifiedCMS: Preterm labor second tri w preterm delivery second tri, unsp | Can lead a claim | A | None |
| O60.12X1 | Preterm labor second trimester with preterm delivery second trimester, fetus 1CMS: Preterm labor second tri w preterm del second tri, fetus 1 | Can lead a claim | A | None |
| O60.12X2 | Preterm labor second trimester with preterm delivery second trimester, fetus 2CMS: Preterm labor second tri w preterm del second tri, fetus 2 | Can lead a claim | A | None |
| O60.12X3 | Preterm labor second trimester with preterm delivery second trimester, fetus 3CMS: Preterm labor second tri w preterm del second tri, fetus 3 | Can lead a claim | A | None |
| O60.12X4 | Preterm labor second trimester with preterm delivery second trimester, fetus 4CMS: Preterm labor second tri w preterm del second tri, fetus 4 | Can lead a claim | A | None |
| O60.12X5 | Preterm labor second trimester with preterm delivery second trimester, fetus 5CMS: Preterm labor second tri w preterm del second tri, fetus 5 | Can lead a claim | A | None |
| O60.12X9 | Preterm labor second trimester with preterm delivery second trimester, other fetusCMS: Preterm labor second tri w preterm delivery second tri, oth | Can lead a claim | A | None |
| O60.13 Preterm labor second trimester with preterm delivery third trimester | ||||
| O60.13X0 | Preterm labor second trimester with preterm delivery third trimester, not applicable or unspecifiedCMS: Preterm labor second tri w preterm delivery third tri, unsp | Can lead a claim | A | None |
| O60.13X1 | Preterm labor second trimester with preterm delivery third trimester, fetus 1CMS: Preterm labor second tri w preterm del third tri, fetus 1 | Can lead a claim | A | None |
| O60.13X2 | Preterm labor second trimester with preterm delivery third trimester, fetus 2CMS: Preterm labor second tri w preterm del third tri, fetus 2 | Can lead a claim | A | None |
| O60.13X3 | Preterm labor second trimester with preterm delivery third trimester, fetus 3CMS: Preterm labor second tri w preterm del third tri, fetus 3 | Can lead a claim | A | None |
| O60.13X4 | Preterm labor second trimester with preterm delivery third trimester, fetus 4CMS: Preterm labor second tri w preterm del third tri, fetus 4 | Can lead a claim | A | None |
| O60.13X5 | Preterm labor second trimester with preterm delivery third trimester, fetus 5CMS: Preterm labor second tri w preterm del third tri, fetus 5 | Can lead a claim | A | None |
| O60.13X9 | Preterm labor second trimester with preterm delivery third trimester, other fetusCMS: Preterm labor second tri w preterm delivery third tri, oth | Can lead a claim | A | None |
| O60.14 Preterm labor third trimester with preterm delivery third trimester | ||||
| O60.14X0 | Preterm labor third trimester with preterm delivery third trimester, not applicable or unspecifiedCMS: Preterm labor third tri w preterm delivery third tri, unsp | Can lead a claim | A | None |
| O60.14X1 | Preterm labor third trimester with preterm delivery third trimester, fetus 1CMS: Preterm labor third tri w preterm del third tri, fetus 1 | Can lead a claim | A | None |
| O60.14X2 | Preterm labor third trimester with preterm delivery third trimester, fetus 2CMS: Preterm labor third tri w preterm del third tri, fetus 2 | Can lead a claim | A | None |
| O60.14X3 | Preterm labor third trimester with preterm delivery third trimester, fetus 3CMS: Preterm labor third tri w preterm del third tri, fetus 3 | Can lead a claim | A | None |
| O60.14X4 | Preterm labor third trimester with preterm delivery third trimester, fetus 4CMS: Preterm labor third tri w preterm del third tri, fetus 4 | Can lead a claim | A | None |
| O60.14X5 | Preterm labor third trimester with preterm delivery third trimester, fetus 5CMS: Preterm labor third tri w preterm del third tri, fetus 5 | Can lead a claim | A | None |
| O60.14X9 | Preterm labor third trimester with preterm delivery third trimester, other fetusCMS: Preterm labor third tri w preterm delivery third tri, oth | Can lead a claim | A | None |
| O60.2 Term delivery with preterm labor | ||||
| O60.20 Term delivery with preterm labor, unspecified trimester | ||||
| O60.20X0 | Term delivery with preterm labor, unspecified trimester, not applicable or unspecifiedCMS: Term delivery w preterm labor, unsp trimester, unsp | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O60.20X1 | Term delivery with preterm labor, unspecified trimester, fetus 1CMS: Term delivery with preterm labor, unsp trimester, fetus 1 | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O60.20X2 | Term delivery with preterm labor, unspecified trimester, fetus 2CMS: Term delivery with preterm labor, unsp trimester, fetus 2 | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O60.20X3 | Term delivery with preterm labor, unspecified trimester, fetus 3CMS: Term delivery with preterm labor, unsp trimester, fetus 3 | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O60.20X4 | Term delivery with preterm labor, unspecified trimester, fetus 4CMS: Term delivery with preterm labor, unsp trimester, fetus 4 | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O60.20X5 | Term delivery with preterm labor, unspecified trimester, fetus 5CMS: Term delivery with preterm labor, unsp trimester, fetus 5 | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O60.20X9 | Term delivery with preterm labor, unspecified trimester, other fetusCMS: Term delivery with preterm labor, unsp trimester, oth fetus | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O60.22 Term delivery with preterm labor, second trimester | ||||
| O60.22X0 | Term delivery with preterm labor, second trimester, not applicable or unspecifiedCMS: Term delivery w preterm labor, second trimester, unsp | Can lead a claim | A | None |
| O60.22X1 | Term delivery with preterm labor, second trimester, fetus 1 | Can lead a claim | A | None |
| O60.22X2 | Term delivery with preterm labor, second trimester, fetus 2 | Can lead a claim | A | None |
| O60.22X3 | Term delivery with preterm labor, second trimester, fetus 3 | Can lead a claim | A | None |
| O60.22X4 | Term delivery with preterm labor, second trimester, fetus 4 | Can lead a claim | A | None |
| O60.22X5 | Term delivery with preterm labor, second trimester, fetus 5 | Can lead a claim | A | None |
| O60.22X9 | Term delivery with preterm labor, second trimester, other fetusCMS: Term delivery w preterm labor, second trimester, oth fetus | Can lead a claim | A | None |
| O60.23 Term delivery with preterm labor, third trimester | ||||
| O60.23X0 | Term delivery with preterm labor, third trimester, not applicable or unspecifiedCMS: Term delivery w preterm labor, third trimester, unsp | Can lead a claim | A | None |
| O60.23X1 | Term delivery with preterm labor, third trimester, fetus 1 | Can lead a claim | A | None |
| O60.23X2 | Term delivery with preterm labor, third trimester, fetus 2 | Can lead a claim | A | None |
| O60.23X3 | Term delivery with preterm labor, third trimester, fetus 3 | Can lead a claim | A | None |
| O60.23X4 | Term delivery with preterm labor, third trimester, fetus 4 | Can lead a claim | A | None |
| O60.23X5 | Term delivery with preterm labor, third trimester, fetus 5 | Can lead a claim | A | None |
| O60.23X9 | Term delivery with preterm labor, third trimester, other fetusCMS: Term delivery with preterm labor, third trimester, oth fetus | Can lead a claim | A | 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.
The monthly home health regs digest
What CMS changed, what's due next, and what to do about it — one email a month, no fluff. Read the first issue