ICD-10 · PDGM grouping
R10 Abdominal and pelvic pain
All 42 codes in the R10 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
42
Can lead a claim
0
Cannot lead a claim
42
What CMS assigns to R10
None of the 42 codes is assigned a clinical group. None of the 42 is assigned a comorbidity subgroup. None can lead a claim.
Every code in R10
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 |
|---|---|---|---|---|
| R10.0 | Acute abdomen | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.1 Pain localized to upper abdomen | ||||
| R10.10 | Upper abdominal pain, unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.11 | Right upper quadrant pain | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.12 | Left upper quadrant pain | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.13 | Epigastric pain | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.2 Pelvic and perineal pain | ||||
| R10.20 | Pelvic and perineal pain unspecified side | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.21 | Pelvic and perineal pain right side | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.22 | Pelvic and perineal pain left side | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.23 | Pelvic and perineal pain bilateral | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.24 | Suprapubic pain | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.3 Pain localized to other parts of lower abdomen | ||||
| R10.30 | Lower abdominal pain, unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.31 | Right lower quadrant pain | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.32 | Left lower quadrant pain | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.33 | Periumbilical pain | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.8 Other abdominal pain | ||||
| R10.81 Abdominal tenderness | ||||
| R10.811 | Right upper quadrant abdominal tenderness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.812 | Left upper quadrant abdominal tenderness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.813 | Right lower quadrant abdominal tenderness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.814 | Left lower quadrant abdominal tenderness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.815 | Periumbilic abdominal tenderness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.816 | Epigastric abdominal tenderness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.817 | Generalized abdominal tenderness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.819 | Abdominal tenderness, unspecified site | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.82 Rebound abdominal tenderness | ||||
| R10.821 | Right upper quadrant rebound abdominal tenderness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.822 | Left upper quadrant rebound abdominal tenderness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.823 | Right lower quadrant rebound abdominal tenderness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.824 | Left lower quadrant rebound abdominal tenderness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.825 | Periumbilic rebound abdominal tenderness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.826 | Epigastric rebound abdominal tenderness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.827 | Generalized rebound abdominal tenderness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.829 | Rebound abdominal tenderness, unspecified site | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.83 | Colic | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.84 | Generalized abdominal pain | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.85 | Abdominal pain of multiple sites | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.8A Flank tenderness | ||||
| R10.8A1 | Right flank tenderness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.8A2 | Left flank tenderness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.8A3 | Suprapubic tenderness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.8A9 | Flank tenderness, unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.9 | Unspecified abdominal pain | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.A Pain localized to flank | ||||
| R10.A0 | Flank pain, unspecified side | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.A1 | Flank pain, right side | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.A2 | Flank pain, left side | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R10.A3 | Flank pain, bilateral | 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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