diff --git a/.github/workflows/lint_sqlfluff.yml b/.github/workflows/lint_sqlfluff.yml
index 0986785b..d6e1c3f0 100644
--- a/.github/workflows/lint_sqlfluff.yml
+++ b/.github/workflows/lint_sqlfluff.yml
@@ -1,11 +1,17 @@
 name: SQLFluff
 
+# Lints changed mimic-iv/concepts/*.sql on pull requests and posts GitHub
+# annotations. Fork PRs skip Annotate — GITHUB_TOKEN cannot create check runs
+# from forks (Resource not accessible by integration / 403).
 on:
   - pull_request
 
 jobs:
   lint-mimic-iv:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      checks: write
     steps:
       - name: checkout
         uses: actions/checkout@v7
@@ -35,8 +41,14 @@ jobs:
         shell: bash
         run: sqlfluff lint --format github-annotation --annotation-level failure --nofail ${{ steps.get_files_to_lint.outputs.lintees }} > annotations.json
       - name: Annotate
+        # Same-repo PRs only: fork tokens get 403 creating check runs, and
+        # ignore-unauthorized-error does not treat that as unauthorized.
+        if: >
+          steps.get_files_to_lint.outputs.lintees != '' &&
+          github.event.pull_request.head.repo.full_name == github.repository
         uses: yuzutech/annotations-action@v0.6.0
         with:
           repo-token: "${{ secrets.GITHUB_TOKEN }}"
           title: "SQLFluff Lint"
-          input: "./annotations.json"
\ No newline at end of file
+          input: "./annotations.json"
+          ignore-unauthorized-error: true
diff --git a/mimic-iii/concepts/severityscores/sirs.sql b/mimic-iii/concepts/severityscores/sirs.sql
index 9de5bcff..32a171ac 100644
--- a/mimic-iii/concepts/severityscores/sirs.sql
+++ b/mimic-iii/concepts/severityscores/sirs.sql
@@ -89,7 +89,7 @@ left join `physionet-data.mimiciii_derived.labs_first_day` l
       when wbc_min <  4.0  then 1
       when wbc_max > 12.0  then 1
       when bands_max > 10 then 1-- > 10% immature neurophils (band forms)
-      when coalesce(wbc_min, bands_max) is null then null
+      when coalesce(wbc_min, wbc_max, bands_max) is null then null
       else 0
     end as wbc_score
 
diff --git a/mimic-iii/concepts_duckdb/severityscores/sirs.sql b/mimic-iii/concepts_duckdb/severityscores/sirs.sql
index 5a449b75..289ba2f3 100644
--- a/mimic-iii/concepts_duckdb/severityscores/sirs.sql
+++ b/mimic-iii/concepts_duckdb/severityscores/sirs.sql
@@ -56,7 +56,7 @@ WITH bg AS (
       THEN 1
       WHEN bands_max > 10
       THEN 1
-      WHEN COALESCE(wbc_min, bands_max) IS NULL
+      WHEN COALESCE(wbc_min, wbc_max, bands_max) IS NULL
       THEN NULL
       ELSE 0
     END AS wbc_score
diff --git a/mimic-iii/concepts_postgres/severityscores/sirs.sql b/mimic-iii/concepts_postgres/severityscores/sirs.sql
index 1a34cc28..7c370c25 100644
--- a/mimic-iii/concepts_postgres/severityscores/sirs.sql
+++ b/mimic-iii/concepts_postgres/severityscores/sirs.sql
@@ -59,7 +59,7 @@ WITH bg AS (
       THEN 1
       WHEN bands_max > 10
       THEN 1 /* > 10% immature neurophils (band forms) */
-      WHEN COALESCE(wbc_min, bands_max) IS NULL
+      WHEN COALESCE(wbc_min, wbc_max, bands_max) IS NULL
       THEN NULL
       ELSE 0
     END AS wbc_score
diff --git a/mimic-iv/concepts/score/sirs.sql b/mimic-iv/concepts/score/sirs.sql
index ca4a933e..40ae266b 100644
--- a/mimic-iv/concepts/score/sirs.sql
+++ b/mimic-iv/concepts/score/sirs.sql
@@ -77,7 +77,7 @@ WITH scorecomp AS (
             WHEN wbc_min < 4.0 THEN 1
             WHEN wbc_max > 12.0 THEN 1
             WHEN bands_max > 10 THEN 1-- > 10% immature neurophils (band forms)
-            WHEN COALESCE(wbc_min, bands_max) IS NULL THEN NULL
+            WHEN COALESCE(wbc_min, wbc_max, bands_max) IS NULL THEN NULL
             ELSE 0
         END AS wbc_score
 
diff --git a/mimic-iv/concepts_duckdb/score/sirs.sql b/mimic-iv/concepts_duckdb/score/sirs.sql
index a806e7c7..43e55784 100644
--- a/mimic-iv/concepts_duckdb/score/sirs.sql
+++ b/mimic-iv/concepts_duckdb/score/sirs.sql
@@ -53,7 +53,7 @@ WITH scorecomp AS (
       THEN 1
       WHEN bands_max > 10
       THEN 1
-      WHEN COALESCE(wbc_min, bands_max) IS NULL
+      WHEN COALESCE(wbc_min, wbc_max, bands_max) IS NULL
       THEN NULL
       ELSE 0
     END AS wbc_score
diff --git a/mimic-iv/concepts_postgres/score/sirs.sql b/mimic-iv/concepts_postgres/score/sirs.sql
index b1b28667..65578a77 100644
--- a/mimic-iv/concepts_postgres/score/sirs.sql
+++ b/mimic-iv/concepts_postgres/score/sirs.sql
@@ -55,7 +55,7 @@ WITH scorecomp AS (
       THEN 1
       WHEN bands_max > 10
       THEN 1 /* > 10% immature neurophils (band forms) */
-      WHEN COALESCE(wbc_min, bands_max) IS NULL
+      WHEN COALESCE(wbc_min, wbc_max, bands_max) IS NULL
       THEN NULL
       ELSE 0
     END AS wbc_score